The maps below are populated with icons representing the trend of the lowest monthly temperature at each station. Significant trends are represented by upward and downward triangles. Stations are selected with the following criteria. Start with the search URL above:
- Choose Daily Summaries, leave date range alone, search for States, select a state
- Click on View Full Details
- Scroll down and click on Station List
- Click on the START column. That will present the oldest station first
- Chose the stations with 98% or more coverage, and "END" column is recent
- Click ADD for each of the stations. The more the better
- Click on Cart. Select "Custom GHCN-Daily CSV"
- For the Date Range, choose the earliest possible date on the left-hand calendar and click Apply
- Click Continue. Select TMIN and other fields as desired,
- Click Continue. Type email address twice and and click Submit Order
- Two emails will arrive, one right away. The second will have a link to the data.
Note: colored boxes indicated significant trends
| station | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ABERDEEN, WA US | 0.06 | 0.04 | 0.04 | 0.05 | 0.05 | 0.07 | 0.07 | 0.07 | 0.06 | 0.03 | 0.01 | 0.01 |
| SEDRO WOOLLEY, WA US | 0.07 | 0.04 | 0.03 | 0.04 | 0.05 | 0.07 | 0.07 | 0.06 | 0.06 | 0.03 | 0.02 | 0.0 |
| ROSALIA, WA US | 0.05 | 0.07 | 0.03 | -0.0 | -0.01 | 0.01 | 0.0 | 0.02 | 0.01 | -0.03 | 0.01 | -0.03 |
| SPOKANE INTERNATIONAL AIRPORT, WA US | 0.03 | 0.04 | 0.01 | -0.02 | -0.03 | -0.01 | -0.01 | 0.01 | 0.01 | -0.04 | -0.03 | -0.06 |
| FORKS 1 E, WA US | 0.06 | 0.01 | 0.02 | 0.01 | 0.02 | 0.02 | 0.05 | 0.04 | 0.03 | 0.01 | -0.01 | 0.01 |
| DAYTON 1 WSW, WA US | 0.08 | 0.04 | 0.01 | -0.0 | 0.01 | 0.01 | 0.02 | 0.03 | 0.01 | -0.01 | 0.01 | -0.0 |
| ODESSA, WA US | 0.08 | 0.03 | 0.0 | 0.02 | 0.01 | 0.02 | 0.02 | 0.04 | 0.02 | -0.01 | -0.02 | -0.02 |
| CLEARBROOK, WA US | 0.08 | 0.05 | 0.05 | 0.05 | 0.06 | 0.09 | 0.09 | 0.08 | 0.07 | 0.05 | 0.02 | 0.04 |
| KENNEWICK, WA US | 0.13 | 0.07 | 0.06 | 0.07 | 0.06 | 0.06 | 0.08 | 0.09 | 0.09 | 0.05 | 0.05 | 0.07 |
| RITZVILLE 1 SSE, WA US | 0.09 | 0.05 | 0.01 | 0.02 | 0.02 | 0.02 | 0.04 | 0.05 | 0.04 | 0.02 | -0.0 | 0.04 |
| WASHINGTON REAGAN NATIONAL AIRPORT, VA US | 0.02 | 0.03 | -0.0 | 0.04 | 0.06 | 0.06 | 0.07 | 0.1 | 0.09 | 0.04 | 0.07 | 0.08 |
| CHATTANOOGA WEATHER BUREAU OFFICE, TN US | 0.05 | 0.07 | 0.01 | 0.0 | 0.06 | 0.05 | 0.02 | 0.0 | 0.08 | 0.03 | 0.01 | 0.07 |
| MINA, NV US | 0.09 | 0.04 | 0.02 | 0.05 | 0.05 | 0.04 | 0.07 | 0.04 | 0.04 | 0.01 | 0.02 | 0.02 |
| BEOWAWE, NV US | 0.03 | -0.01 | 0.01 | -0.02 | -0.02 | 0.02 | 0.02 | 0.03 | 0.01 | -0.04 | -0.01 | 0.02 |
| WINNEMUCCA AIRPORT, NV US | 0.04 | 0.03 | -0.02 | -0.04 | -0.03 | -0.03 | -0.01 | -0.02 | -0.02 | -0.05 | -0.02 | -0.04 |
| FALLON EXPERIMENT STATION, NV US | 0.09 | 0.04 | -0.0 | 0.02 | 0.02 | 0.0 | 0.02 | 0.02 | 0.04 | 0.0 | 0.04 | 0.03 |
| MINDEN, NV US | 0.04 | 0.03 | 0.01 | -0.01 | 0.01 | 0.0 | 0.04 | 0.02 | 0.02 | -0.0 | -0.03 | -0.01 |
| HALLETTSVILLE 2 N, TX US | 0.01 | 0.03 | -0.0 | -0.01 | -0.01 | 0.01 | 0.01 | 0.0 | 0.0 | 0.01 | -0.0 | -0.01 |
| LLANO, TX US | 0.02 | 0.01 | -0.01 | -0.01 | 0.0 | 0.03 | -0.01 | 0.01 | -0.01 | -0.01 | -0.02 | -0.02 |
| CROSBYTON, TX US | 0.05 | 0.06 | 0.04 | 0.03 | 0.03 | 0.05 | 0.04 | 0.03 | 0.03 | 0.03 | 0.03 | 0.02 |
| FARMINGTON, ME US | 0.01 | 0.05 | 0.01 | 0.01 | 0.0 | -0.0 | -0.0 | 0.0 | 0.0 | 0.02 | 0.04 | 0.05 |
| WILLOW CITY, ND US | 0.06 | 0.07 | 0.07 | 0.02 | 0.04 | 0.07 | 0.05 | 0.06 | 0.09 | 0.03 | 0.06 | 0.07 |
| NAPOLEON, ND US | 0.08 | 0.1 | 0.08 | 0.03 | 0.06 | 0.08 | 0.07 | 0.08 | 0.08 | 0.07 | 0.07 | 0.08 |
| FULLERTON 1 ESE, ND US | 0.06 | 0.07 | 0.02 | 0.01 | 0.03 | 0.08 | 0.05 | 0.06 | 0.06 | 0.03 | 0.02 | 0.04 |
| GRAND FORKS UNIVERSITY NWS, ND US | 0.07 | 0.08 | 0.05 | 0.01 | 0.03 | 0.07 | 0.05 | 0.07 | 0.07 | 0.04 | 0.07 | 0.08 |
| DOWNTOWN CHARLESTON, SC US | 0.01 | 0.05 | 0.02 | 0.03 | 0.01 | 0.03 | 0.03 | 0.02 | 0.02 | 0.01 | 0.04 | 0.04 |
| SAINT LEO, FL US | -0.02 | 0.03 | -0.0 | 0.01 | 0.01 | 0.01 | 0.01 | 0.02 | 0.01 | -0.0 | 0.02 | 0.02 |
| LAKE CITY 2 E, FL US | -0.02 | 0.01 | -0.03 | 0.0 | -0.01 | 0.01 | -0.0 | -0.0 | -0.0 | -0.01 | -0.0 | -0.0 |
| BALTIMORE WASHINGTON INTERNATIONAL AIRPORT, MD US | -0.01 | -0.0 | -0.03 | -0.02 | -0.04 | -0.03 | 0.0 | 0.02 | 0.03 | -0.02 | -0.01 | 0.05 |
| SCOTTSBLUFF W B HEILIG FIELD AIRPORT, NE US | 0.05 | 0.07 | 0.09 | 0.02 | 0.02 | 0.03 | 0.05 | 0.07 | 0.04 | -0.0 | 0.02 | -0.01 |
| CHATTANOOGA AIRPORT, TN US | 0.04 | 0.07 | 0.05 | 0.06 | 0.06 | 0.06 | 0.07 | 0.06 | 0.08 | 0.05 | 0.09 | 0.08 |
| HILLSBORO, OH US | 0.02 | 0.05 | 0.01 | 0.02 | 0.04 | 0.03 | 0.04 | 0.03 | 0.04 | 0.04 | 0.05 | 0.06 |
| WARREN 3 S, OH US | -0.03 | 0.01 | -0.02 | -0.02 | -0.01 | -0.01 | 0.01 | 0.02 | 0.03 | -0.01 | 0.0 | 0.01 |
| DILLON U OF MONTANA WESTERN, MT US | 0.05 | 0.04 | 0.06 | -0.01 | -0.05 | -0.0 | 0.02 | 0.03 | 0.0 | -0.06 | -0.01 | -0.0 |
| GLENDIVE, MT US | 0.07 | 0.14 | 0.08 | 0.02 | 0.03 | 0.05 | 0.04 | 0.04 | 0.06 | 0.02 | 0.05 | 0.05 |
| BOZEMAN MONTANA STATE UNIVERSITY, MT US | 0.07 | 0.09 | 0.1 | 0.02 | 0.01 | 0.01 | 0.04 | 0.03 | 0.02 | -0.0 | 0.02 | 0.0 |
| BILLINGS WATER TREATMENT PLANT, MT US | 0.08 | 0.11 | 0.11 | 0.03 | 0.03 | 0.03 | 0.06 | 0.06 | 0.06 | 0.02 | 0.04 | 0.04 |
| BUTTE BERT MOONEY AIRPORT, MT US | -0.09 | -0.07 | -0.01 | -0.02 | -0.03 | -0.02 | -0.02 | -0.03 | -0.03 | -0.09 | -0.11 | -0.14 |
| BOISE AIR TERMINAL, ID US | 0.12 | 0.04 | 0.09 | 0.04 | 0.03 | 0.05 | 0.09 | 0.07 | 0.08 | 0.03 | -0.0 | -0.0 |
| WORLAND, WY US | 0.1 | 0.1 | 0.11 | 0.03 | 0.03 | 0.05 | 0.06 | 0.07 | 0.05 | 0.01 | -0.01 | 0.09 |
| BOWLING GREEN WARREN CO AIRPORT, KY US | 0.01 | 0.04 | 0.01 | 0.01 | 0.02 | 0.02 | 0.03 | 0.01 | 0.02 | 0.01 | 0.02 | 0.03 |
| PORTSMOUTH SCIOTOVILLE, OH US | -0.01 | 0.03 | -0.0 | -0.01 | -0.01 | 0.01 | 0.01 | 0.0 | 0.03 | 0.02 | 0.01 | 0.03 |
| CAVE RUN LAKE, KY US | 0.01 | 0.03 | 0.03 | 0.04 | 0.04 | 0.07 | 0.06 | 0.06 | 0.07 | 0.07 | 0.08 | 0.06 |
| BOSTON, MA US | 0.01 | 0.05 | 0.0 | 0.03 | 0.04 | 0.02 | 0.04 | 0.05 | 0.07 | 0.03 | 0.04 | 0.08 |
| BROADUS, MT US | 0.12 | 0.06 | 0.09 | -0.0 | -0.01 | 0.02 | 0.07 | 0.05 | 0.07 | -0.03 | 0.02 | 0.07 |
| CORTEZ, CO US | 0.1 | 0.06 | 0.11 | 0.06 | 0.03 | 0.07 | 0.08 | 0.07 | 0.05 | 0.03 | 0.03 | 0.06 |
| PRESCOTT, AZ US | 0.09 | 0.08 | 0.05 | 0.06 | 0.05 | 0.09 | 0.09 | 0.07 | 0.07 | 0.07 | 0.04 | 0.06 |
| CHAPEL HILL 2 W, NC US | -0.01 | 0.03 | 0.0 | 0.01 | -0.01 | -0.0 | 0.01 | 0.0 | 0.02 | -0.01 | 0.01 | 0.03 |
| SAN MARCOS, TX US | 0.05 | 0.04 | -0.0 | 0.01 | 0.01 | 0.01 | 0.02 | 0.03 | 0.01 | 0.01 | 0.02 | 0.02 |
| BLUE HILL, MA US | 0.03 | 0.06 | 0.01 | 0.04 | 0.04 | 0.03 | 0.04 | 0.03 | 0.04 | 0.03 | 0.05 | 0.07 |
| GREEN BAY A S INTERNATIONAL AIRPORT, WI US | 0.03 | 0.04 | 0.01 | 0.01 | -0.0 | -0.0 | -0.01 | -0.0 | -0.01 | 0.0 | 0.03 | 0.0 |
| MEDFORD, WI US | 0.06 | 0.07 | 0.06 | 0.04 | 0.04 | 0.05 | 0.05 | 0.05 | 0.06 | 0.04 | 0.05 | 0.03 |
| FOND DU LAC WWTP, WI US | 0.05 | 0.06 | 0.03 | 0.03 | 0.05 | 0.06 | 0.06 | 0.07 | 0.06 | 0.04 | 0.04 | 0.06 |
| PORTAGE WWTP, WI US | 0.06 | 0.06 | 0.03 | 0.02 | 0.01 | 0.0 | -0.0 | -0.01 | 0.01 | 0.01 | 0.04 | 0.05 |
| GRAVETTE, AR US | 0.06 | 0.06 | 0.03 | 0.03 | 0.03 | 0.02 | 0.04 | 0.02 | 0.03 | 0.03 | 0.02 | 0.02 |
| MENA, AR US | 0.01 | 0.02 | -0.01 | -0.01 | -0.01 | -0.01 | 0.0 | -0.01 | -0.01 | -0.02 | -0.02 | 0.0 |
| CAMDEN 1, AR US | 0.02 | 0.02 | 0.01 | 0.0 | 0.01 | 0.01 | 0.03 | 0.03 | 0.02 | 0.02 | 0.02 | 0.02 |
| PRESCOTT 2 NNW, AR US | 0.0 | 0.0 | -0.01 | -0.02 | 0.0 | -0.0 | 0.02 | 0.01 | 0.0 | -0.0 | -0.0 | 0.01 |
| FLEMINGTON 5 NNW, NJ US | 0.02 | 0.06 | 0.02 | 0.0 | -0.0 | -0.0 | 0.01 | 0.01 | 0.01 | 0.01 | -0.0 | 0.06 |
| ATLANTIC CITY MARINA, NJ US | 0.05 | 0.07 | 0.06 | 0.06 | 0.05 | 0.03 | 0.04 | 0.04 | 0.05 | 0.05 | 0.06 | 0.07 |
| CHARLOTTEBURG RESERVOIR, NJ US | 0.04 | 0.08 | 0.04 | 0.06 | 0.05 | 0.06 | 0.08 | 0.08 | 0.08 | 0.07 | 0.04 | 0.08 |
| WEST PALM BEACH INTERNATIONAL AIRPORT, FL US | 0.01 | 0.01 | 0.05 | 0.02 | 0.04 | 0.06 | 0.03 | 0.04 | 0.03 | -0.01 | 0.08 | 0.03 |
| BILOXI, MS US | -0.02 | 0.02 | -0.02 | -0.0 | 0.0 | 0.01 | 0.01 | 0.01 | -0.0 | 0.0 | 0.0 | 0.01 |
| ABERDEEN, MS US | -0.0 | 0.04 | -0.0 | -0.01 | 0.01 | 0.02 | 0.04 | 0.03 | 0.04 | 0.04 | 0.03 | 0.02 |
| PONTOTOC, MS US | -0.05 | 0.03 | -0.02 | -0.02 | -0.03 | -0.01 | -0.04 | -0.04 | 0.01 | -0.0 | -0.04 | 0.0 |
| SNOW HILL 4 N, MD US | -0.02 | -0.0 | -0.01 | -0.0 | -0.0 | 0.0 | 0.02 | 0.02 | 0.02 | -0.02 | 0.01 | 0.03 |
| GRAND JUNCTION WALKER FIELD, CO US | 0.04 | 0.02 | -0.01 | -0.02 | -0.02 | -0.0 | 0.0 | -0.0 | -0.01 | -0.03 | -0.03 | 0.01 |
| SANTA BARBARA, CA US | 0.05 | 0.05 | 0.03 | 0.04 | 0.04 | 0.07 | 0.04 | 0.04 | 0.05 | 0.04 | 0.04 | 0.02 |
| RED BLUFF MUNICIPAL AIRPORT, CA US | 0.04 | 0.03 | 0.03 | 0.0 | 0.04 | 0.04 | 0.01 | 0.04 | 0.03 | 0.02 | 0.0 | -0.02 |
| LEMON COVE, CA US | 0.04 | 0.02 | 0.02 | 0.01 | 0.02 | 0.01 | 0.04 | 0.04 | 0.03 | 0.03 | 0.0 | 0.01 |
| NEVADA CITY, CA US | 0.09 | 0.07 | 0.07 | 0.04 | 0.06 | 0.08 | 0.11 | 0.11 | 0.1 | 0.06 | 0.06 | 0.06 |
| PALM SPRINGS, CA US | 0.1 | 0.06 | 0.07 | 0.07 | 0.09 | 0.13 | 0.07 | 0.12 | 0.14 | 0.11 | 0.08 | 0.04 |
| SACRAMENTO 5 ESE, CA US | 0.03 | 0.02 | 0.01 | 0.02 | 0.03 | 0.03 | 0.04 | 0.04 | 0.04 | 0.04 | 0.02 | 0.02 |
| SAN DIEGO INTERNATIONAL AIRPORT, CA US | 0.07 | 0.07 | 0.07 | 0.08 | 0.07 | 0.07 | 0.06 | 0.05 | 0.08 | 0.09 | 0.05 | 0.02 |
| TABLE MOUNTAIN, CA US | 0.11 | 0.02 | -0.08 | 0.1 | -0.02 | 0.01 | 0.13 | -0.06 | 0.04 | 0.07 | -0.03 | 0.08 |
| FAIRMONT, CA US | 0.05 | 0.0 | -0.0 | -0.01 | -0.05 | -0.08 | -0.04 | -0.02 | 0.0 | -0.01 | -0.0 | -0.01 |
| SANDBERG, CA US | 0.1 | 0.05 | 0.07 | 0.05 | 0.07 | 0.03 | 0.06 | 0.07 | 0.04 | 0.07 | 0.05 | 0.03 |
| PALMDALE, CA US | 0.08 | 0.05 | 0.06 | 0.06 | 0.07 | 0.06 | 0.06 | 0.07 | 0.08 | 0.04 | 0.03 | 0.01 |
| BAKERSFIELD AIRPORT, CA US | 0.06 | 0.04 | 0.03 | -0.01 | 0.04 | 0.02 | 0.05 | 0.07 | 0.06 | 0.05 | 0.03 | 0.02 |
| KENTFIELD, CA US | 0.07 | 0.06 | 0.06 | 0.04 | 0.06 | 0.06 | 0.08 | 0.08 | 0.08 | 0.08 | 0.06 | 0.05 |
| MECCA FIRE STATION, CA US | 0.07 | 0.05 | 0.06 | 0.04 | 0.04 | 0.04 | 0.02 | 0.04 | 0.05 | 0.06 | 0.06 | 0.03 |
| WASCO, CA US | 0.05 | 0.04 | 0.05 | 0.06 | 0.06 | 0.05 | 0.05 | 0.05 | 0.07 | 0.05 | 0.03 | 0.04 |
| LIVERMORE, CA US | 0.03 | 0.02 | 0.03 | 0.03 | 0.05 | 0.03 | 0.05 | 0.05 | 0.04 | 0.04 | 0.03 | 0.02 |
| ORLAND, CA US | 0.01 | 0.02 | 0.02 | 0.01 | 0.02 | 0.01 | 0.02 | 0.04 | 0.03 | 0.02 | 0.0 | -0.0 |
| OJAI, CA US | 0.03 | -0.01 | 0.02 | 0.02 | 0.04 | 0.04 | 0.05 | 0.03 | 0.04 | 0.03 | 0.02 | -0.0 |
| CIMARRON 4 SW, NM US | 0.03 | -0.0 | 0.04 | -0.0 | -0.0 | 0.01 | 0.0 | -0.01 | -0.0 | -0.01 | -0.01 | -0.02 |
| TUCUMCARI 4 NE, NM US | 0.04 | 0.02 | 0.02 | 0.01 | 0.0 | 0.02 | 0.02 | 0.01 | 0.01 | -0.0 | 0.02 | -0.01 |
| LAMAR 7 N, MO US | 0.05 | 0.07 | 0.03 | 0.01 | 0.02 | 0.03 | 0.03 | 0.03 | 0.02 | 0.01 | 0.03 | 0.01 |
| MORAN 5 WNW, WY US | 0.14 | 0.14 | 0.14 | 0.09 | 0.03 | 0.04 | 0.05 | 0.05 | 0.06 | 0.02 | 0.05 | 0.11 |
| CHARLOTTESVILLE 2 W, VA US | -0.01 | 0.04 | 0.02 | 0.03 | 0.01 | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 | 0.03 | 0.04 |
| SALEM AIRPORT MCNARY FIELD, OR US | 0.02 | -0.02 | -0.01 | -0.02 | -0.02 | -0.0 | 0.01 | 0.01 | 0.01 | -0.02 | -0.02 | -0.04 |
| GRANTS PASS, OR US | 0.04 | 0.03 | 0.04 | 0.04 | 0.04 | 0.06 | 0.08 | 0.08 | 0.06 | 0.04 | 0.04 | 0.02 |
| HOOD RIVER EXPERIMENT STATION, OR US | 0.08 | 0.04 | 0.02 | 0.01 | 0.01 | 0.01 | 0.02 | 0.01 | 0.0 | -0.02 | 0.0 | 0.01 |
| ASHLAND, OR US | 0.01 | -0.01 | -0.01 | -0.02 | -0.01 | -0.0 | 0.01 | 0.01 | -0.0 | -0.03 | -0.03 | -0.02 |
| HEADWORKS PORTLAND WATER B, OR US | 0.08 | 0.03 | 0.03 | 0.03 | 0.03 | 0.02 | 0.04 | 0.05 | 0.06 | 0.03 | 0.02 | 0.01 |
| TOOELE, UT US | 0.04 | 0.03 | 0.05 | 0.02 | 0.02 | 0.03 | 0.05 | 0.04 | 0.04 | 0.0 | -0.01 | 0.0 |