


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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736 CDUS45 KRIW 190730 CLIBPI CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 130 AM MDT FRI SEP 19 2025 ................................... ...THE BIG PINEY WY CLIMATE SUMMARY FOR SEPTEMBER 18 2025... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1976 TO 2025 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 71 3:34 PM 83 2014 69 2 60 MINIMUM 31 6:13 AM 16 2003 31 0 35 AVERAGE 51 50 1 PRECIPITATION (IN) YESTERDAY T 0.16 1995 0.02 -0.02 T MONTH TO DATE 0.33 0.36 -0.03 0.29 SINCE SEP 1 0.33 0.36 -0.03 0.29 SINCE JAN 1 6.19 6.27 -0.08 3.32 DEGREE DAYS HEATING YESTERDAY 14 15 -1 17 MONTH TO DATE 154 217 -63 181 SINCE SEP 1 154 217 -63 181 SINCE JUL 1 328 493 -165 393 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE SEP 1 0 0 0 0 SINCE JAN 1 41 30 11 64 ................................................................... WIND (MPH) HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION N (20) HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION N (20) AVERAGE WIND SPEED 4.1 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN RELATIVE HUMIDITY (PERCENT) HIGHEST 92 6:00 AM LOWEST 25 6:00 PM AVERAGE 59 .......................................................... THE BIG PINEY WY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 68 83 2010 MINIMUM TEMPERATURE (F) 31 17 1978 SUNRISE AND SUNSET SEPTEMBER 19 2025.....SUNRISE 7:05 AM MDT SUNSET 7:22 PM MDT SEPTEMBER 20 2025.....SUNRISE 7:06 AM MDT SUNSET 7:21 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$