Average Monthly Snowfall in Inches
Listing of minimum snowfall, month-by-month, across major US cities over a 30 year period from 1961-1990 listed below:
| DATA THROUGH 1993 | YRS | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN |
| BIRMINGHAM C.O.,AL | 11 | 0.8 | 0.1 | 0.5 | 0.5 | 0 | 0 | 0 | 0 | 0 | 0 | T | T | 1.9 |
| BIRMINGHAM AP,AL | 50 | 0.7 | 0.2 | 0.4 | 0.1 | T | T | T | 0 | T | T | 0 | 0.3 | 1.7 |
| HUNTSVILLE, AL | 26 | 1.5 | 0.7 | 0.4 | T | T | 0 | 0 | T | 0 | T | 0 | 0.2 | 2.8 |
| MOBILE, AL | 52 | 0.1 | 0.2 | 0.1 | T | T | 0 | T | 0 | 0 | 0 | T | 0.1 | 0.5 |
| MONTGOMERY, AL | 49 | 0.2 | 0.1 | 0.1 | 0 | 0 | 0 | 0 | 0 | 0 | T | T | 0 | 0.4 |
| ANCHORAGE, AK | 50 | 10.7 | 11.5 | 9 | 4.8 | 0.4 | 0 | 0 | 0 | 0.3 | 7.3 | 10.7 | 14.8 | 69.5 |
| ANNETTE, AK | 46 | 12.8 | 11 | 8.8 | 2.2 | 0.1 | T | 0 | 0 | 0 | 0.2 | 3.1 | 10.9 | 49.1 |
| BARROW, AK | 73 | 2.2 | 2.1 | 1.8 | 2.1 | 1.8 | 0.6 | 0.5 | 0.7 | 3.6 | 6.7 | 3.4 | 2.5 | 28 |
| BARTER IS.,AK | 40 | 4.6 | 2.5 | 2.5 | 2.3 | 2.9 | 1.6 | 0.5 | 1.6 | 5.7 | 9.5 | 5.1 | 3.3 | 42.1 |
| BETHEL, AK | 35 | 5.8 | 5.5 | 7.6 | 5.3 | 1.9 | 0.1 | T | 0 | 0.3 | 4.1 | 8.7 | 9.7 | 49 |
| BETTLES,AK | 42 | 12.5 | 9.4 | 10.5 | 7.2 | 1.2 | T | 0 | 0.1 | 1.8 | 11.9 | 13.2 | 15.1 | 82.9 |
| BIG DELTA,AK | 46 | 5.7 | 4.4 | 4.3 | 3 | 0.7 | T | 0 | T | 1.7 | 9 | 7.8 | 5.9 | 42.5 |
| COLD BAY,AK | 43 | 10.5 | 11.4 | 10.3 | 5.9 | 1.7 | 0 | T | 0 | 0 | 2.9 | 7.7 | 10.3 | 60.7 |
| FAIRBANKS, AK | 42 | 10.8 | 8.6 | 6.6 | 3.4 | 0.8 | T | T | T | 1.6 | 10.9 | 13.6 | 13.8 | 70.1 |
| GULKANA,AK | 50 | 7.4 | 6.9 | 5 | 2.6 | 0.5 | 0 | T | 0.1 | 1.1 | 7.5 | 8.8 | 10.5 | 50.4 |
| HOMER, AK | 50 | 10.3 | 12.1 | 9.4 | 3.2 | 0.4 | T | 0 | 0 | 0 | 2.1 | 7.3 | 13 | 57.8 |
| JUNEAU, AK | 49 | 26 | 19 | 14.9 | 3.5 | 0 | T | 0 | 0 | T | 1.1 | 11.9 | 22.6 | 99 |
| KING SALMON, AK | 44 | 8.3 | 6.8 | 7.4 | 4.5 | 0.9 | 0 | 0 | 0 | 0 | 3 | 6.3 | 9.1 | 46.3 |
| KODIAK, AK | 31 | 15.4 | 17.8 | 13 | 8 | 0.7 | T | 0 | 0 | 0 | 2.3 | 7.7 | 13.2 | 78.1 |
| KOTZEBUE, AK | 50 | 6.1 | 5 | 5.9 | 4.8 | 1.6 | 0.1 | 0 | 0 | 1.1 | 6.5 | 8.5 | 7.8 | 47.4 |
| MCGRATH, AK | 50 | 14.4 | 12 | 12.4 | 6.9 | 0.9 | 0 | T | T | 1.1 | 10.2 | 17.1 | 18.7 | 93.7 |
| NOME, AK | 47 | 9.2 | 6.5 | 7.5 | 6.6 | 2.2 | 0.1 | 0 | 0 | 0.5 | 4.6 | 10.8 | 9.4 | 57.4 |
| ST. PAUL ISLAND, AK | 69 | 11.8 | 9.6 | 9 | 5.6 | 2.1 | 0.1 | 0 | 0 | 0.1 | 2.6 | 6.5 | 9.4 | 56.8 |
| TALKEETNA, AK | 63 | 20 | 18.5 | 17.8 | 7.9 | 0.8 | T | 0 | T | 0.2 | 10.3 | 17.3 | 21.9 | 114.7 |
| UNALAKLEET, AK | 24 | 5.1 | 5.9 | 5.9 | 3.8 | 1 | 0 | 0 | 0 | 0.9 | 4.1 | 7.1 | 5.5 | 39.3 |
| VALDEZ, AK | 22 | 65.4 | 57.4 | 54.3 | 21.7 | 0.6 | 0 | 0 | 0 | 0.2 | 10.5 | 42.1 | 76.2 | 328.4 |
| YAKUTAT, AK | 45 | 39 | 39.1 | 38.4 | 17.5 | 1.5 | T | 0 | 0 | 0 | 5.3 | 21.8 | 38.8 | 201.4 |
| FLAGSTAFF, AZ | 43 | 20.7 | 18.3 | 22.3 | 9.5 | 1.8 | T | T | 0 | 0.1 | 2 | 10.2 | 15.9 | 100.8 |
| PHOENIX, AZ | 56 | T | 0 | T | T | T | 0 | 0 | 0 | 0 | T | 0 | 0 | T |
| TUCSON, AZ | 53 | 0.3 | 0.2 | 0.3 | 0.1 | T | 0 | 0 | T | T | T | 0.1 | 0.3 | 1.3 |
| WINSLOW, AZ | 62 | 2.6 | 1.9 | 2 | 0.4 | 0 | 0 | 0 | 0 | T | 0.2 | 0.7 | 3.1 | 10.9 |
| YUMA, AZ | 43 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | T | T |
| FORT SMITH, AR | 48 | 2.5 | 1.8 | 0.6 | T | T | 0 | 0 | 0 | 0 | T | 0.5 | 0.9 | 6.3 |
| LITTLE ROCK, AR | 51 | 2.3 | 1.4 | 0.5 | T | 0 | 0 | 0 | 0 | 0 | T | 0.2 | 0.7 | 5.1 |
| NORTH LITTLE ROCK, AR | 16 | 3 | 2.4 | 0.5 | T | T | T | 0 | 0 | 0 | 0 | 0.3 | 0.4 | 6.6 |
| BAKERSFIELD, CA | 56 | T | T | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | T | T |
| BISHOP, CA | 45 | 4 | 1.6 | 0.8 | 0.3 | 0.1 | 0 | 0 | 0 | T | 0 | 0.3 | 1.3 | 8.4 |
| BLUE CANYON, CA | 48 | 46.7 | 42.2 | 50.7 | 27.8 | 7.6 | 0.5 | 0 | 0 | 0.3 | 2.6 | 23.6 | 38.8 | 240.8 |
| EUREKA, CA. | 83 | 0.1 | 0.1 | 0 | T | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.2 |
| FRESNO, CA | 44 | 0.1 | T | T | 0 | 0 | 0 | 0 | 0 | 0 | T | 0 | 0 | 0.1 |
| LONG BEACH, CA | 49 | T | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | T |
| LOS ANGELES AP, CA | 58 | T | T | T | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | T | T |
| LOS ANGELES C.O., CA | 44 | 0 | T | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | T | T |
| MOUNT SHASTA, CA | 42 | 29.9 | 16.9 | 17.1 | 8.9 | 0.8 | T | 0 | 0 | 0 | 0.4 | 9 | 21.9 | 104.9 |
| REDDING, CA | 7 | 0.5 | 0.2 | 0.3 | T | 0.2 | T | 0 | T | 0 | 0 | T | 2.2 | 3.4 |
| SACRAMENTO, CA | 45 | T | 0 | T | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | T | T |
| SAN DIEGO, CA | 53 | T | 0 | T | 0 | 0 | 0 | 0 | 0 | 0 | 0 | T | T | T |
| SAN FRANCISCO AP, CA | 66 | 0 | T | T | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | T |
| SAN FRANCISCO C.O., CA | 36 | T | T | T | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | T | T |
| SANTA BARBARA, CA | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| SANTA MARIA, CA | 51 | T | T | T | 0 | 0 | 0 | 0 | 0 | 0 | 0 | T | T | T |
| STOCKTON, CA | 39 | 0 | 0 | T | T | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | T |
| ALAMOSA, CO | 48 | 4.5 | 4.2 | 6 | 4.4 | 1.6 | 0 | T | 0 | 0.2 | 3.2 | 4.3 | 5.7 | 34.1 |
| COLORADO SPRINGS, CO | 45 | 5 | 5.1 | 9.3 | 6.2 | 1.5 | 0 | T | T | 1 | 3.2 | 5.7 | 5.6 | 42.6 |
| DENVER, CO | 59 | 8.2 | 7.4 | 12.6 | 8.9 | 1.6 | 0 | T | T | 1.6 | 3.8 | 8.9 | 7.4 | 60.4 |
| GRAND JUNCTION, CO | 47 | 7.3 | 4.2 | 3.8 | 1.1 | 0.1 | 0 | 0 | T | 0.1 | 0.5 | 2.7 | 5.3 | 25.1 |
| PUEBLO, CO | 52 | 5.9 | 4.3 | 6.9 | 3.5 | 0.7 | T | T | T | 0.5 | 1.3 | 4.6 | 5.3 | 33 |
| BRIDGEPORT, CT | 45 | 7.3 | 7.3 | 4.8 | 0.4 | T | 0 | T | T | 0 | 0 | 0.6 | 4.5 | 24.9 |
| HARTFORD, CT | 39 | 12 | 11.4 | 9.9 | 1.6 | 0 | T | 0 | 0 | 0 | 0.1 | 2 | 10.3 | 47.3 |
| WILMINGTON, DE | 46 | 6.6 | 6 | 3.3 | 0.2 | T | T | T | 0 | 0 | 0.1 | 0.9 | 3.3 | 20.4 |
| WASHINGTON DULLES AP, D.C. | 31 | 7.2 | 6.8 | 3.3 | 0.3 | T | 0 | 0 | T | 0 | 0 | 1.1 | 3.9 | 22.6 |
| WASHINGTON NAT'L AP, D.C. | 50 | 5.3 | 5.3 | 2.1 | 0 | T | 0 | T | T | 0 | 0 | 0.8 | 3.1 | 16.6 |
| APALACHICOLA, FL | 63 | 0 | 0 | T | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | T | T |
| DAYTONA BEACH, FL | 50 | T | T | T | 0 | 0 | T | 0 | 0 | 0 | 0 | 0 | T | T |
| FORT MYERS, FL | 54 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| GAINESVILLE, FL | 10 | 0 | T | T | 0 | 0 | 0 | 0 | T | 0 | 0 | 0 | T | T |
| JACKSONVILLE, FL | 52 | T | 0 | 0 | 0 | 0 | 0 | T | 0 | 0 | 0 | 0 | 0 | T |
| KEY WEST, FL | 45 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| MIAMI, FL | 51 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| ORLANDO, FL | 51 | T | 0 | T | T | 0 | 0 | T | T | 0 | 0 | 0 | 0 | T |
| PENSACOLA, FL | 30 | 0.1 | 0.1 | T | 0 | 0 | 0 | T | 0 | 0 | 0 | 0 | T | 0.2 |
| TALLAHASSEE, FL | 32 | T | 0 | T | 0 | 0 | T | T | 0 | T | 0 | 0 | 0 | T |
| TAMPA, FL | 47 | 0 | T | T | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | T | T |
| VERO BEACH, FL | 10 | 0 | 0 | 0 | 0 | 0 | T | T | 0 | 0 | 0 | 0 | 0 | T |
| WEST PALM BEACH, FL | 48 | T | 0 | 0 | 0 | 0 | 0 | 0 | T | 0 | 0 | 0 | 0 | T |
| ATHENS, GA | 50 | 0.9 | 0.7 | 0.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.1 | 0.2 | 2.4 |
| ATLANTA, GA | 59 | 0.9 | 0.5 | 0.4 | T | 0 | 0 | 0 | 0 | 0 | T | 0 | 0.2 | 2 |
| AUGUSTA,GA | 43 | 0.3 | 0.8 | 0 | T | 0 | 0 | 0 | 0 | 0 | 0 | T | 0.1 | 1.2 |
| COLUMBUS, GA | 48 | 0.1 | 0.3 | 0.1 | T | T | 0 | 0 | 0 | 0 | 0 | T | 0 | 0.5 |
| MACON, GA | 45 | 0.3 | 0.6 | 0.1 | 0 | T | 0 | T | 0 | 0 | 0 | 0 | 0 | 1 |
| SAVANNAH, GA | 43 | 0.1 | 0.2 | 0 | 0 | 0 | T | 0 | 0 | 0 | 0 | 0 | 0.1 | 0.4 |
| HILO, HI | 51 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| HONOLULU,HI | 47 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| KAHULUI, HI | 39 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| LIHUE, HI | 44 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| BOISE, ID | 54 | 6.8 | 3.6 | 1.7 | 0.6 | 0.1 | T | T | T | 0 | 0.1 | 2.2 | 5.8 | 20.9 |
| LEWISTON, ID | 47 | 6.1 | 2.5 | 1.4 | 0.1 | T | 0 | T | 0 | 0 | 0.1 | 1.8 | 4.2 | 16.2 |
| POCATELLO, ID | 44 | 10 | 6.2 | 5.9 | 4.4 | 0.6 | 0 | 0 | T | 0.1 | 1.9 | 5.3 | 8.9 | 43.3 |
| CAIRO,IL | 45 | 3.8 | 2.5 | 2.1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.4 | 1.4 | 10.2 |
| CHICAGO,IL | 35 | 10.7 | 8.1 | 7 | 1.7 | 0.1 | T | T | T | T | 0.4 | 1.9 | 8.3 | 38.2 |
| MOLINE, IL | 61 | 7.8 | 6 | 5.9 | 1 | 0 | T | 0 | 0 | 0 | 0.2 | 2.2 | 7.1 | 30.2 |
| PEORIA, IL | 50 | 6.6 | 5.4 | 4.1 | 0.9 | 0 | 0 | T | 0 | T | 0.1 | 2.1 | 5.9 | 25.1 |
| ROCKFORD, IL | 43 | 8.6 | 6.7 | 6.6 | 1.4 | 0 | 0 | T | T | 0 | 0.1 | 2.6 | 9.3 | 35.3 |
| SPRINGFIELD, IL | 46 | 5.8 | 6.4 | 4.1 | 0.7 | T | 0 | 0 | 0 | 0 | 0 | 1.7 | 4.9 | 23.6 |
| EVANSVILLE, IN | 53 | 4.1 | 3.7 | 2.5 | 0.3 | T | 0 | 0 | 0 | T | 0.1 | 0.6 | 2.4 | 13.7 |
| FORT WAYNE, IN | 47 | 8 | 7.6 | 5.3 | 1.4 | T | T | 0 | T | 0 | 0.3 | 3.2 | 7.1 | 32.9 |
| INDIANAPOLIS, IN | 62 | 6.1 | 5.8 | 3.4 | 0.5 | 0 | T | 0 | T | 0 | 0.2 | 1.8 | 4.9 | 22.7 |
| SOUTH BEND, IN | 54 | 18.9 | 14.9 | 9.1 | 2 | 0 | T | T | T | 0 | 0.7 | 8 | 17.7 | 71.3 |
| DES MOINES, IA | 54 | 8.1 | 7.2 | 6.2 | 1.9 | 0 | T | T | 0 | T | 0.2 | 3 | 6.6 | 33.2 |
| DUBUQUE,IA | 41 | 9.2 | 7.8 | 9.6 | 2.5 | 0.1 | T | 0 | 0 | T | 0.2 | 3.7 | 10.5 | 43.6 |
| SIOUX CITY, IA | 53 | 6.3 | 5.8 | 7.5 | 1.5 | 0.1 | T | T | 0 | 0 | 0.7 | 3.9 | 6 | 31.8 |
| WATERLOO, IA | 39 | 6.9 | 6.6 | 6 | 1.7 | 0 | T | 0 | 0 | 0 | 0.1 | 3.6 | 7.2 | 32.1 |
| CONCORDIA, KS | 31 | 5.5 | 5.4 | 3.5 | 0.7 | T | T | T | 0 | T | 0.3 | 2.1 | 4.4 | 21.9 |
| DODGE CITY, KS | 51 | 4.6 | 3.9 | 4.8 | 0.9 | 0 | T | T | T | T | 0.2 | 2.2 | 3.4 | 20 |
| GOODLAND, KS | 54 | 6.3 | 5.1 | 9.2 | 4.1 | 0.5 | 0.1 | T | T | 0.2 | 1.9 | 4.7 | 5.7 | 37.8 |
| TOPEKA, KS | 47 | 6.1 | 4.7 | 3.7 | 0.5 | T | T | T | 0 | 0 | 0 | 1.3 | 4.9 | 21.2 |
| WICHITA, KS | 40 | 4.6 | 4.2 | 2.4 | 0.3 | T | T | T | 0 | T | 0 | 1.3 | 3.3 | 16.1 |
| GREATER CINCINNATI AP | 46 | 6.7 | 5.5 | 4.2 | 0.5 | 0 | T | T | 0 | 0 | 0.3 | 2.1 | 3.9 | 23.2 |
| JACKSON, KY | 13 | 5 | 6.6 | 3.3 | 1.6 | 0.1 | 0 | 0 | T | 0 | 0.2 | 0.3 | 3.9 | 21 |
| LEXINGTON, KY | 49 | 5.4 | 4.8 | 2.7 | 0.3 | T | T | T | T | 0 | 0 | 0.6 | 1.9 | 15.7 |
| LOUISVILLE, KY | 46 | 5.1 | 4.5 | 3.2 | 0.1 | T | T | 0 | 0 | 0 | 0.1 | 1 | 2.2 | 16.2 |
| PADUCAH KY | 10 | 2.8 | 4.7 | 0.6 | T | 0 | T | T | 0 | 0 | 0.2 | T | 2.3 | 10.6 |
| BATON ROUGE, LA | 43 | 0 | 0.2 | T | 0 | T | 0 | 0 | 0 | 0 | 0 | T | T | 0.2 |
| LAKE CHARLES, LA | 32 | 0.2 | 0.1 | T | T | T | 0 | 0 | 0 | 0 | 0 | T | 0 | 0.3 |
| NEW ORLEANS, LA | 47 | 0 | 0.1 | T | T | T | 0 | 0 | 0 | 0 | 0 | T | 0.1 | 0.2 |
| SHREVEPORT, LA | 41 | 0.8 | 0.5 | 0.2 | 0 | T | 0 | 0 | 0 | 0 | T | 0 | 0.2 | 1.7 |
| CARIBOU, ME | 54 | 23.3 | 21.6 | 19.2 | 8.4 | 0.7 | T | T | 0 | 0 | 1.7 | 12.1 | 23 | 110 |
| PORTLAND, ME | 53 | 19 | 17.4 | 13 | 3.1 | 0.2 | 0 | 0 | 0 | T | 0.2 | 3 | 14.6 | 70.5 |
| BALTIMORE, MD | 43 | 5.9 | 6.5 | 3.8 | 0.1 | T | 0 | T | 0 | 0 | 0 | 1 | 3.5 | 20.8 |
| BLUE HILL, MA | 108 | 15.3 | 15.8 | 11.4 | 3 | 0.1 | T | 0 | 0 | 0 | 0.2 | 2.7 | 10.8 | 59.3 |
| BOSTON, MA | 58 | 12 | 11.3 | 7.9 | 0.9 | 0 | 0 | 0 | 0 | 0 | 0 | 1.3 | 7.5 | 40.9 |
| WORCESTER, MA | 38 | 16.1 | 15.9 | 14.1 | 3.8 | 0.3 | 0 | 0 | 0 | T | 0.5 | 3.6 | 13.4 | 67.7 |
| ALPENA, MI | 34 | 21.4 | 15.8 | 13.4 | 4.9 | 0.3 | 0 | 0 | T | T | 0.6 | 8.1 | 20.5 | 85 |
| DETROIT, MI | 35 | 10.2 | 9.1 | 7 | 1.7 | T | 0 | 0 | 0 | T | 0.2 | 3 | 10.2 | 41.4 |
| FLINT, MI | 52 | 11.6 | 9.8 | 7.6 | 2.4 | 0 | T | T | 0 | T | 0.2 | 3.8 | 9.7 | 45.1 |
| GRAND RAPIDS, MI | 30 | 20.2 | 11.9 | 10 | 3 | 0 | 0 | T | T | T | 0.7 | 7.7 | 18.1 | 71.6 |
| HOUGHTON LAKE, MI | 29 | 19.1 | 12.9 | 11.5 | 4.1 | 0.3 | 0 | T | T | 0 | 0.8 | 9.5 | 16.7 | 74.9 |
| LANSING, MI | 89 | 12 | 10 | 8.4 | 2.7 | 0.2 | T | 0 | 0 | 0 | 0.4 | 4.5 | 10.7 | 48.9 |
| MARQUETTE, MI | 56 | 27.1 | 22.9 | 21.1 | 9 | 1.4 | T | 0 | T | 0.2 | 4 | 16.8 | 26.7 | 129.2 |
| MUSKEGON, MI | 53 | 31.2 | 17.4 | 11.3 | 2.8 | 0 | 0 | T | 0 | T | 0.5 | 8.8 | 25.1 | 97.1 |
| SAULT STE. MARIE, MI | 52 | 28.7 | 18.7 | 14.8 | 5.6 | 0.5 | T | 0 | T | 0.1 | 2.5 | 15.3 | 29.9 | 116.1 |
| DULUTH, MN | 50 | 16.8 | 11.2 | 13.3 | 6.5 | 0.8 | 0 | T | T | 0.1 | 1.4 | 12.5 | 15.4 | 78 |
| INTERNATIONAL FALLS, MN | 54 | 12.4 | 9.4 | 9.6 | 5.8 | 0.8 | 0 | T | T | 0.1 | 1.8 | 12 | 12.1 | 64 |
| MINNEAPOLIS-ST.PAUL, MN | 55 | 9.8 | 8.4 | 10.7 | 2.8 | 0.1 | T | T | T | 0 | 0.5 | 7.9 | 9.3 | 49.5 |
| ROCHESTER, MN | 33 | 10.1 | 7.9 | 9.6 | 4 | 0 | T | T | T | 0 | 0.7 | 5.8 | 10.7 | 48.8 |
| SAINT CLOUD, MN | 53 | 8.8 | 7.3 | 9.6 | 2.6 | 0.1 | 0 | 0 | 0 | 0 | 0.5 | 7.5 | 8.1 | 44.5 |
| JACKSON, MS | 30 | 0.5 | 0.2 | 0.2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.9 |
| MERIDIAN, MS | 48 | 0.5 | 0.2 | 0.2 | 0.1 | T | 0 | T | 0 | 0 | 0 | T | 0.4 | 1.4 |
| TUPELO, MS | 10 | 1.4 | 0.8 | 0.3 | 0 | T | 0 | T | 0 | 0 | T | 0 | 0.4 | 2.9 |
| COLUMBIA, MO | 43 | 5.6 | 6.5 | 4.3 | 0.7 | T | T | 0 | 0 | 0 | 0 | 1.8 | 4.2 | 23.1 |
| KANSAS CITY, MO | 59 | 5.8 | 4.5 | 3.6 | 0.8 | T | T | T | 0 | T | 0 | 1.1 | 4.4 | 20.2 |
| ST. LOUIS, MO | 57 | 5.3 | 4.7 | 4.2 | 0.4 | 0 | T | 0 | 0 | 0 | T | 1.4 | 3.8 | 19.8 |
| SPRINGFIELD, MO | 48 | 4.4 | 4.4 | 3.3 | 0.4 | T | T | T | 0 | 0 | 0 | 1.6 | 3 | 17.1 |
| BILLINGS, MT | 59 | 9.1 | 7.8 | 10.1 | 7.9 | 1.5 | 0 | 0 | T | 1.1 | 3.7 | 6.8 | 8.5 | 56.5 |
| GLASGOW, MT | 38 | 6.2 | 4.2 | 3.7 | 2.4 | 0.6 | T | T | T | 0.2 | 1.3 | 3.3 | 5.4 | 27.3 |
| GREAT FALLS, MT | 56 | 9.9 | 8.3 | 10.4 | 7.2 | 1.8 | 0.3 | T | 0.1 | 1.5 | 3.4 | 7.5 | 8.7 | 59.1 |
| HELENA, MT | 53 | 8.7 | 6.2 | 7.4 | 4.8 | 1.4 | 0.1 | T | 0.1 | 1.5 | 2.4 | 6.4 | 8.5 | 47.5 |
| KALISPELL, MT | 44 | 17.9 | 10.4 | 6 | 2.5 | 0.7 | 0 | T | T | 0.1 | 1.4 | 8.5 | 16.9 | 64.4 |
| MISSOULA, MT | 49 | 12.3 | 7.6 | 5.9 | 2.1 | 0.7 | T | T | T | 0 | 0.9 | 6 | 10.8 | 46.3 |
| GRAND ISLAND, NE | 55 | 5.8 | 6.2 | 6.3 | 1.7 | 0.2 | T | T | T | 0.1 | 0.5 | 3.5 | 6.3 | 30.6 |
| LINCOLN, NE | 38 | 6 | 5.6 | 5.7 | 1.3 | 0.1 | 0 | T | T | 0 | 0.3 | 2.9 | 5.2 | 27.1 |
| NORFOLK, NE | 48 | 5.8 | 6 | 6.6 | 1.8 | 0.1 | T | T | T | 0 | 0.5 | 3.8 | 6 | 30.6 |
| NORTH PLATTE, NE | 41 | 5.4 | 5.2 | 6.8 | 2.7 | 0.1 | T | T | T | 0.1 | 1.4 | 4 | 4.7 | 30.4 |
| OMAHA EPPLEY AP, NE | 58 | 7.4 | 6.6 | 6.4 | 1 | 0.1 | T | 0 | 0 | T | 0.3 | 2.6 | 5.5 | 29.9 |
| OMAHA (NORTH), NE | 39 | 7.2 | 6.5 | 6.9 | 1.4 | 0 | 0 | T | 0 | 0 | 0.5 | 3.4 | 5.3 | 31.2 |
| SCOTTSBLUFF, NE | 50 | 6.5 | 5.6 | 9 | 4.7 | 0.9 | 0 | T | 0 | 0.4 | 2.4 | 5.4 | 6.5 | 41.4 |
| VALENTINE, NE | 38 | 4.6 | 5.6 | 7.5 | 3.9 | 0.1 | T | 0 | T | 0.5 | 1 | 5.1 | 4.6 | 32.9 |
| ELKO, NV | 62 | 9.6 | 6.2 | 5.3 | 2.4 | 0.8 | T | T | T | 0.1 | 0.8 | 4.5 | 8.1 | 37.8 |
| ELY, NV | 55 | 9 | 6.9 | 9.5 | 5.7 | 2.4 | 0.2 | T | T | 0.3 | 2.3 | 5.2 | 7.3 | 48.8 |
| LAS VEGAS, NV | 45 | 1 | 0.1 | 0 | T | 0 | 0 | 0 | T | 0 | T | 0.1 | 0.1 | 1.3 |
| RENO, NV | 51 | 6 | 5.2 | 4.4 | 1.2 | 0.9 | 0 | 0 | 0 | 0 | 0.3 | 2.2 | 4.4 | 24.6 |
| WINNEMUCCA, NV | 43 | 5.4 | 3.8 | 4.4 | 2.3 | 0.6 | T | 0 | T | 0 | 0.4 | 2.3 | 4.7 | 23.9 |
| CONCORD, NH | 52 | 17.7 | 14.6 | 10.9 | 2.4 | 0.1 | T | 0 | 0 | T | 0.1 | 3.8 | 13.6 | 63.2 |
| MT. WASHINGTON, NH | 61 | 40 | 40.8 | 42.5 | 31.3 | 10.3 | 1.2 | 0 | 0.2 | 1.9 | 12 | 31.7 | 42.7 | 254.6 |
| ATLANTIC CITY AP, NJ | 49 | 5.2 | 5.4 | 2.6 | 0.3 | T | 0 | T | 0 | 0 | T | 0.4 | 2.2 | 16.1 |
| NEWARK, NJ | 52 | 7.5 | 7.9 | 4.9 | 0.7 | T | 0 | 0 | 0 | 0 | 0 | 0.5 | 5.5 | 27 |
| ALBUQUERQUE, NM | 54 | 2.5 | 2.2 | 1.8 | 0.6 | 0 | T | T | T | T | 0.1 | 1.3 | 2.6 | 11.1 |
| CLAYTON, NM | 48 | 3.8 | 3.4 | 5 | 1.9 | 0.4 | T | 0 | T | 0.1 | 0.7 | 3 | 3.7 | 22 |
| ROSWELL, NM | 46 | 2.8 | 2.7 | 1.2 | 0.3 | 0 | 0 | 0 | 0 | 0 | 0.2 | 1.2 | 3 | 11.4 |
| ALBANY, NY | 47 | 16 | 14.2 | 11.1 | 2.7 | 0.1 | T | T | 0 | T | 0.2 | 4.1 | 14.9 | 63.3 |
| BINGHAMTON, NY | 42 | 19.5 | 17.5 | 14.1 | 5 | 0.3 | T | 0 | 0 | T | 0.7 | 7.3 | 18 | 82.4 |
| BUFFALO, NY | 50 | 23.3 | 18.2 | 11.7 | 3.1 | 0.3 | T | T | T | T | 0.3 | 11.5 | 22.7 | 91.1 |
| ISLIP, NY | 10 | 6.2 | 4.8 | 4.8 | 0.3 | T | 0 | 0 | 0 | 0 | 0 | 0.9 | 3.6 | 20.6 |
| NEW YORK C.PARK, NY | 125 | 7.5 | 8.4 | 5 | 0.9 | T | 0 | T | 0 | 0 | 0 | 0.9 | 5.4 | 28.1 |
| NEW YORK (JFK AP), NY | 35 | 7 | 7.6 | 3.9 | 0.4 | T | 0 | 0 | 0 | 0 | 0 | 0.3 | 3.5 | 22.7 |
| NEW YORK (LAGUARDIA AP), NY | 49 | 6.7 | 8.1 | 4.5 | 0.6 | T | 0 | 0 | 0 | 0 | 0 | 0.5 | 4.9 | 25.3 |
| ROCHESTER, NY | 53 | 22.7 | 22.4 | 14.4 | 3.6 | 0.3 | 0 | T | T | T | 0.2 | 6.7 | 19.6 | 89.9 |
| SYRACUSE, NY | 44 | 29.6 | 26.2 | 17.4 | 4 | 0.1 | T | T | 0 | T | 0.6 | 9.3 | 26.8 | 114 |
| ASHEVILLE, NC | 29 | 4.6 | 4.6 | 3 | 0.7 | T | T | 0 | T | 0 | T | 0.7 | 2 | 15.6 |
| CAPE HATTERAS, NC | 36 | 0.4 | 0.6 | 0.4 | T | 0 | 0 | 0 | 0 | 0 | 0 | T | 0.6 | 2 |
| CHARLOTTE, NC | 54 | 2 | 1.7 | 1.2 | 0 | T | 0 | 0 | 0 | 0 | 0 | 0.1 | 0.5 | 5.5 |
| GREENSBORO-WNSTN-SALM, NC | 65 | 3.1 | 2.5 | 1.7 | T | T | 0 | 0 | 0 | 0 | 0 | 0.1 | 1.2 | 8.6 |
| RALEIGH, NC | 49 | 2.2 | 2.6 | 1.3 | 0 | 0 | 0 | T | 0 | 0 | 0 | 0.1 | 0.8 | 7 |
| WILMINGTON, NC | 42 | 0.4 | 0.5 | 0.4 | T | 0 | T | 0 | 0 | 0 | 0 | T | 0.6 | 1.9 |
| BISMARCK, ND | 54 | 7.2 | 6.7 | 8.1 | 3.8 | 0.9 | T | T | T | 0.3 | 1.7 | 6.3 | 6.9 | 41.9 |
| FARGO, ND | 51 | 8.6 | 5.9 | 6.7 | 3.1 | 0.1 | T | 0 | T | 0 | 0.7 | 5.8 | 7.1 | 38 |
| WILLISTON, ND | 32 | 7.2 | 4.8 | 6.5 | 4.7 | 0.8 | T | T | T | 0.3 | 1.7 | 5 | 7.3 | 38.3 |
| AKRON, OH | 45 | 11.2 | 9.5 | 8.9 | 2.6 | 0.1 | T | 0 | 0 | T | 0.6 | 4.6 | 10 | 47.5 |
| CLEVELAND, OH | 52 | 12.6 | 12.3 | 10.6 | 2.3 | 0.1 | T | T | 0 | T | 0.6 | 5 | 11.9 | 55.4 |
| COLUMBUS, OH | 46 | 8.1 | 6.2 | 4.5 | 0.9 | 0 | T | 0 | 0 | T | 0.1 | 2.3 | 5.5 | 27.6 |
| DAYTON, OH | 50 | 7.7 | 6.2 | 5.2 | 0.7 | T | 0 | T | 0 | 0 | 0.3 | 2.1 | 5.5 | 27.7 |
| MANSFIELD, OH | 34 | 11 | 10.1 | 7.1 | 1.9 | 0.1 | 0 | 0 | 0 | T | 0.5 | 2.4 | 8.6 | 41.7 |
| TOLEDO, OH | 38 | 9.3 | 8.2 | 6.3 | 1.5 | 0 | 0 | T | T | T | 0.1 | 2.9 | 8.5 | 36.8 |
| YOUNGSTOWN, OH | 50 | 12.9 | 10.9 | 11 | 2.5 | 0.1 | 0 | T | 0 | T | 0.6 | 5.6 | 12.6 | 56.2 |
| OKLAHOMA CITY, OK | 54 | 3 | 2.4 | 1.4 | 0 | T | T | 0 | 0 | T | 0 | 0.5 | 1.8 | 9.1 |
| TULSA, OK | 54 | 3.3 | 2.4 | 1.4 | 0 | T | 0 | 0 | 0 | T | 0 | 0.4 | 1.6 | 9.1 |
| ASTORIA, OR | 40 | 2.2 | 0.4 | 0.6 | 0 | T | T | 0 | 0 | T | T | 0.2 | 1.1 | 4.5 |
| BURNS,OR | 9 | 8.3 | 8.8 | 4.7 | 0.8 | 0.3 | 0.1 | 0 | 0 | T | 0.7 | 6.4 | 12.4 | 42.5 |
| EUGENE, OR | 51 | 3.7 | 0.8 | 0.5 | T | T | T | 0 | 0 | T | T | 0.3 | 1.3 | 6.6 |
| MEDFORD, OR | 64 | 3.3 | 1.2 | 0.7 | 0.2 | 0 | T | T | 0 | 0 | 0 | 0.5 | 1.4 | 7.3 |
| PENDLETON, OR | 58 | 7.3 | 3.5 | 1 | 0.1 | T | 0 | T | 0 | 0 | 0.1 | 1.7 | 4 | 17.7 |
| PORTLAND, OR | 53 | 3.3 | 1 | 0.4 | T | 0 | T | 0 | T | T | 0 | 0.4 | 1.4 | 6.5 |
| SALEM, OR | 56 | 3 | 1.3 | 0.6 | 0 | T | 0 | 0 | 0 | T | T | 0.3 | 1.5 | 6.7 |
| SEXTON SUMMIT, OR | 47 | 21.3 | 15.4 | 18.6 | 8.8 | 2.1 | 0.1 | 0 | T | 0.1 | 1.5 | 9.7 | 20.2 | 97.8 |
| GUAM, PC | 37 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| JOHNSTON ISLAND, PC | 28 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| KOROR, PC | 44 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| KWAJALEIN, MARSHALL IS., PC | 49 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| MAJURO, MARSHALL IS, PC | 39 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| PAGO PAGO, AMER SAMOA, PC | 34 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| POHNPEI, CAROLINE IS., PC | 43 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| CHUUK, E. CAROLINE IS., PC | 44 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| WAKE ISLAND, PC | 46 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| YAP, W CAROLINE IS., PC | 45 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| ALLENTOWN, PA | 50 | 8.4 | 8.9 | 5.8 | 0.7 | T | 0 | 0 | 0 | 0 | 0.1 | 1.3 | 6.1 | 31.3 |
| ERIE, PA. | 39 | 22.8 | 16.1 | 10.4 | 2.7 | 0 | T | 0 | T | T | 0.3 | 10.3 | 22.9 | 85.5 |
| HARRISBURG, PA | 52 | 9.7 | 9.2 | 6.1 | 0.5 | T | 0 | 0 | 0 | 0 | 0 | 2 | 6.8 | 34.3 |
| MIDDLETOWN/HARRISBURG INTL | 54 | 9.4 | 9.3 | 6.5 | 0.5 | T | T | 0 | T | 0 | 0 | 1.9 | 6.6 | 34.2 |
| PHILADELPHIA, PA | 51 | 6.4 | 6.4 | 3.7 | 0.3 | T | T | 0 | 0 | 0 | 0 | 0.6 | 3.4 | 20.8 |
| PITTSBURGH, PA | 41 | 11.3 | 9.3 | 8.7 | 1.7 | 0.1 | T | T | 0 | T | 0.4 | 3.3 | 8.3 | 43.1 |
| AVOCA, PA | 38 | 11.2 | 10.8 | 9.4 | 3.1 | 0.1 | 0 | 0 | T | T | 0.2 | 3.3 | 8.8 | 46.9 |
| WILLIAMSPORT, PA | 49 | 10.4 | 10.1 | 8.2 | 1.2 | 0 | T | 0 | T | 0 | 0.1 | 3 | 8.2 | 41.2 |
| PROVIDENCE, RI | 40 | 9.4 | 9.6 | 7.6 | 0.7 | 0.2 | 0 | 0 | 0 | 0 | 0.1 | 1 | 7 | 35.6 |
| CHARLESTON AP,SC | 51 | 0.1 | 0.2 | 0.1 | T | 0 | T | T | 0 | 0 | 0 | T | 0.3 | 0.7 |
| COLUMBIA, SC | 46 | 0.5 | 0.8 | 0.3 | T | 0 | 0 | 0 | T | 0 | 0 | T | 0.3 | 1.9 |
| GREENVILLE-SPARTANBURG AP, SC | 31 | 2.5 | 1.9 | 1.2 | 0 | T | 0 | T | 0 | 0 | 0 | 0.1 | 0.6 | 6.3 |
| ABERDEEN, SD | 62 | 6.6 | 6.8 | 6.7 | 3.5 | 0.2 | T | T | T | 0 | 0.7 | 5.2 | 6.1 | 35.8 |
| HURON, SD | 54 | 6.6 | 8.8 | 9.3 | 2.2 | 0.1 | T | T | T | T | 0.7 | 5.2 | 6.4 | 39.3 |
| RAPID CITY, SD | 51 | 5 | 6.4 | 8.8 | 6.1 | 0.8 | 0.1 | T | T | 0.1 | 1.6 | 5.1 | 5.1 | 39.1 |
| SIOUX FALLS, SD | 48 | 6.4 | 8.1 | 9.6 | 2.2 | 0 | T | T | 0 | 0 | 0.7 | 5.4 | 7.2 | 39.6 |
| BRISTOL-JHNSN CTY-KNGSPRT, TN | 56 | 5.1 | 4.3 | 2.3 | 0.4 | T | T | 0 | 0 | 0 | 0 | 1 | 2.6 | 15.7 |
| CHATTANOOGA, TN | 63 | 1.8 | 1.2 | 0.7 | 0.1 | T | 0 | 0 | 0 | 0 | T | 0 | 0.6 | 4.4 |
| KNOXVILLE, TN | 51 | 3.9 | 3.6 | 1.8 | 0.4 | T | 0 | 0 | 0 | 0 | T | 0.6 | 1.6 | 11.9 |
| MEMPHIS, TN | 43 | 2.3 | 1.3 | 0.8 | T | T | 0 | 0 | 0 | 0 | T | 0.1 | 0.6 | 5.1 |
| NASHVILLE, TN | 52 | 3.8 | 3.1 | 1.4 | 0 | 0 | T | 0 | T | 0 | 0 | 0.4 | 1.5 | 10.2 |
| OAK RIDGE,TN | 45 | 3.2 | 3 | 1.4 | 0.2 | T | 0 | T | T | 0 | T | 0.3 | 1.7 | 9.8 |
| ABILENE, TX | 54 | 1.8 | 1.1 | 0.7 | T | T | T | T | 0 | 0 | 0 | 0.4 | 0.7 | 4.7 |
| AMARILLO, TX | 52 | 3.9 | 3.6 | 2.5 | 0.6 | 0 | T | 0 | 0 | 0 | 0.3 | 1.8 | 2.7 | 15.4 |
| AUSTIN, TX | 52 | 0.5 | 0.3 | 0 | 0 | T | 0 | 0 | 0 | 0 | 0 | 0.1 | T | 0.9 |
| BROWNSVILLE, TX | 54 | T | T | T | 0 | 0 | 0 | 0 | T | 0 | 0 | T | T | T |
| CORPUS CHRISTI, TX | 54 | 0.1 | 0 | T | T | T | 0 | 0 | 0 | 0 | T | T | T | 0.1 |
| DALLAS-FORT WORTH, TX | 40 | 1.2 | 1 | 0.2 | T | T | 0 | 0 | 0 | 0 | T | 0.1 | 0.2 | 2.7 |
| DEL RIO, TX | 29 | 0.7 | 0.2 | 0.1 | T | T | 0 | 0 | 0 | 0 | 0 | T | T | 1 |
| EL PASO, TX | 54 | 1.4 | 0.8 | 0.4 | 0.3 | T | T | T | 0 | T | 0 | 0.9 | 1.7 | 5.5 |
| GALVESTON, TX | 123 | 0 | 0.2 | T | T | T | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.2 |
| HOUSTON, TX | 59 | 0.2 | 0.2 | 0 | T | T | T | 0 | 0 | 0 | 0 | T | 0 | 0.4 |
| LUBBOCK, TX | 45 | 2.4 | 2.9 | 1.5 | 0.2 | 0 | T | T | 0 | 0 | 0.2 | 1.2 | 1.9 | 10.3 |
| MIDLAND-ODESSA, TX | 45 | 1.8 | 0.9 | 0.4 | 0 | T | T | 0 | T | 0 | 0 | 0.4 | 0.8 | 4.3 |
| PORT ARTHUR, TX | 40 | 0.1 | 0.2 | 0 | 0 | T | 0 | T | 0 | 0 | 0 | T | 0 | 0.3 |
| SAN ANGELO, TX | 46 | 1.5 | 0.7 | 0.2 | T | T | T | T | 0 | T | T | 0.5 | 0.2 | 3.1 |
| SAN ANTONIO, TX | 51 | 0.5 | 0.2 | T | T | T | T | 0 | 0 | 0 | T | 0 | 0 | 0.7 |
| VICTORIA, TX | 32 | 0.1 | 0 | T | 0 | T | 0 | 0 | 0 | 0 | 0 | 0 | T | 0.1 |
| WACO, TX | 50 | 0.8 | 0.3 | 0.1 | T | T | 0 | 0 | T | 0 | T | 0.1 | 0.1 | 1.4 |
| WICHITA FALLS, TX | 50 | 2.1 | 1.6 | 0.8 | 0 | T | T | 0 | 0 | 0 | 0 | 0.3 | 1 | 5.8 |
| MILFORD, UT | 41 | 8.7 | 6.8 | 9.5 | 5.3 | 1.5 | 0 | 0 | 0 | 0.3 | 1.5 | 4.7 | 6.8 | 45.1 |
| SALT LAKE CITY, UT | 65 | 13.5 | 9.4 | 9.4 | 5 | 0.6 | T | T | T | 0.1 | 1.3 | 6.6 | 12 | 57.9 |
| BURLINGTON, VT | 50 | 18.8 | 16.8 | 12.4 | 3.8 | 0.2 | 0 | T | 0 | 0 | 0.2 | 6.6 | 18.1 | 76.9 |
| LYNCHBURG, VA | 49 | 5.3 | 5.3 | 3.5 | 0.3 | 0 | 0 | 0 | 0 | 0 | 0 | 0.7 | 2.9 | 18 |
| NORFOLK, VA | 45 | 2.6 | 2.9 | 1 | 0 | 0 | T | 0 | T | 0 | 0 | 0 | 0.9 | 7.4 |
| RICHMOND, VA | 56 | 4.9 | 4.1 | 2.4 | 0.1 | T | 0 | 0 | 0 | 0 | T | 0.4 | 2 | 13.9 |
| ROANOKE, VA | 46 | 6.2 | 7 | 3.8 | 0.5 | T | T | 0 | 0 | T | 0 | 1.5 | 3.8 | 22.8 |
| WALLOPS ISLAND, VA | 20 | 2.5 | 3.7 | 0.7 | 0.1 | 0 | 0 | 0 | 0 | 0 | 0 | 0.3 | 1.5 | 8.8 |
| OLYMPIA, WA | 52 | 7.2 | 3.3 | 1.8 | 0.1 | T | T | 0 | 0 | T | T | 1.4 | 3.5 | 17.3 |
| QUILLAYUTE, WA | 27 | 4.9 | 2.9 | 1.6 | 0.4 | T | T | 0 | 0 | T | T | 1 | 2.8 | 13.6 |
| SEATTLE C.O., WA | 43 | 3 | 0.9 | 0.6 | 0 | T | 0 | 0 | 0 | 0 | T | 0.7 | 1.9 | 7.1 |
| SEATTLE SEA-TAC AP, WA | 49 | 5 | 1.6 | 1.4 | 0.1 | T | 0 | T | 0 | T | 0 | 1.2 | 2.5 | 11.8 |
| SPOKANE, WA | 46 | 16.2 | 7.7 | 4.1 | 0.6 | 0.1 | T | 0 | 0 | T | 0.4 | 6.2 | 15.1 | 50.4 |
| WALLA WALLA, WA | 73 | 7.5 | 3.9 | 1.2 | 0.2 | T | 0 | 0 | 0 | 0 | 0.1 | 2 | 5 | 19.9 |
| YAKIMA, WA | 47 | 8.4 | 3.3 | 1.5 | 0 | T | 0 | 0 | 0 | 0 | 0.1 | 2.2 | 8.3 | 23.8 |
| SAN JUAN, PR | 38 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | T | 0 | 0 | 0 | T |
| BECKLEY, WV | 30 | 16.5 | 16.3 | 9 | 2.7 | 0 | T | 0 | 0 | T | 0.5 | 3.7 | 11.4 | 60.1 |
| CHARLESTON, WV | 46 | 10.1 | 8.7 | 5.1 | 0.9 | 0 | T | T | T | T | 0.2 | 2.2 | 5.1 | 32.3 |
| ELKINS, WV | 31 | 20.4 | 18 | 11.7 | 4.4 | 0 | T | 0 | 0 | 0 | 0.5 | 6 | 15 | 76 |
| HUNTINGTON, WV | 32 | 8.3 | 7.3 | 4.3 | 0.6 | 0 | T | 0 | T | 0 | 0.1 | 1.2 | 3.9 | 25.7 |
| GREEN BAY, WI | 44 | 10.5 | 8.2 | 8.9 | 2.4 | 0.2 | T | 0 | T | T | 0.2 | 4.7 | 11 | 46.1 |
| LA CROSSE, WI | 41 | 9.9 | 7.9 | 9.2 | 1.7 | 0 | 0 | 0 | 0 | T | 0.1 | 4.4 | 9.1 | 42.3 |
| MADISON, WI | 45 | 9.7 | 7.3 | 8.4 | 2.2 | 0.1 | T | T | T | T | 0.2 | 3.7 | 11 | 42.6 |
| MILWAUKEE, WI | 53 | 12.8 | 9.6 | 8.7 | 1.7 | 0.1 | T | T | T | T | 0.2 | 3 | 10.4 | 46.5 |
| CASPER, WY | 43 | 10 | 10.4 | 14 | 12.7 | 3.7 | 0.2 | T | T | 1.1 | 5.2 | 10.7 | 10.8 | 78.8 |
| CHEYENNE, WY | 58 | 6.4 | 5.9 | 12.1 | 9 | 3.4 | 0.3 | T | 0 | 0.8 | 3.7 | 7.4 | 6.2 | 55.2 |
| LANDER, WY | 47 | 9.1 | 11 | 17.6 | 20.3 | 7 | 1.1 | T | T | 2.4 | 8.9 | 14.3 | 10.5 | 102.2 |
| SHERIDAN, WY | 53 | 10.5 | 10.5 | 12.8 | 9.9 | 2 | 0.1 | T | 0 | 1.3 | 4.5 | 9.3 | 10.9 | 71.8 |