


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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897 CDUS45 KRIW 110727 CLIBPI CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 127 AM MDT MON AUG 11 2025 ................................... ...THE BIG PINEY WY CLIMATE SUMMARY FOR AUGUST 10 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 75 3:20 PM 90 2003 81 -6 85 2018 2022 MINIMUM 36 4:49 AM 31 1980 42 -6 42 2021 AVERAGE 56 62 -6 PRECIPITATION (IN) YESTERDAY 0.00 0.61 1997 0.03 -0.03 T MONTH TO DATE 0.02 0.28 -0.26 0.10 SINCE JUN 1 1.34 2.18 -0.84 0.58 SINCE JAN 1 4.77 5.32 -0.55 2.68 DEGREE DAYS HEATING YESTERDAY 9 4 5 1 MONTH TO DATE 52 33 19 7 SINCE JUN 1 327 470 -143 259 SINCE JUL 1 112 145 -33 86 COOLING YESTERDAY 0 1 -1 0 MONTH TO DATE 2 10 -8 23 SINCE JUN 1 24 28 -4 62 SINCE JAN 1 24 28 -4 62 ................................................................... WIND (MPH) HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION N (350) HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION N (340) AVERAGE WIND SPEED 6.3 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.2 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 56 5:00 AM LOWEST 18 4:00 PM AVERAGE 37 .......................................................... THE BIG PINEY WY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 81 91 2018 MINIMUM TEMPERATURE (F) 42 28 1980 SUNRISE AND SUNSET AUGUST 11 2025........SUNRISE 6:23 AM MDT SUNSET 8:27 PM MDT AUGUST 12 2025........SUNRISE 6:24 AM MDT SUNSET 8:26 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$