


Climatological Report (Daily)
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
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790 CDUS45 KRIW 150727 CLIRIW CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 127 AM MDT FRI AUG 15 2025 ................................... ...THE RIVERTON WY CLIMATE SUMMARY FOR AUGUST 14 2025... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1995 TO 2025 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 92 3:41 PM 99 2003 86 6 77 MINIMUM 58 5:21 AM 42 2005 54 4 52 AVERAGE 75 70 5 65 PRECIPITATION (IN) YESTERDAY T 0.40 0.01 -0.01 0.03 MONTH TO DATE T 0.20 -0.20 0.21 SINCE JUN 1 1.21 1.68 -0.47 0.68 SINCE JAN 1 5.73 6.14 -0.41 5.32 SNOWFALL (IN) YESTERDAY 0.0 0.0 202 0.0 MONTH TO DATE 0.0 0.0 SINCE JUN 1 0.0 0.0 SINCE JUL 1 0.0 0.0 SNOW DEPTH MM DEGREE DAYS HEATING YESTERDAY 0 1 -1 0 MONTH TO DATE 2 1 1 1 SINCE JUN 1 80 126 -46 41 SINCE JUL 1 2 11 -9 8 COOLING YESTERDAY 10 6 4 0 MONTH TO DATE 99 99 0 98 SINCE JUN 1 484 390 94 453 SINCE JAN 1 490 398 92 453 ................................................................... WIND (MPH) HIGHEST WIND SPEED 38 HIGHEST WIND DIRECTION NW (320) HIGHEST GUST SPEED 52 HIGHEST GUST DIRECTION NW (320) AVERAGE WIND SPEED 8.0 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.1 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN RELATIVE HUMIDITY (PERCENT) HIGHEST 51 5:00 AM LOWEST 14 2:00 PM AVERAGE 33 .......................................................... THE RIVERTON WY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 86 95 2003 2015 MINIMUM TEMPERATURE (F) 54 45 2009 SUNRISE AND SUNSET AUGUST 15 2025........SUNRISE 6:20 AM MDT SUNSET 8:16 PM MDT AUGUST 16 2025........SUNRISE 6:21 AM MDT SUNSET 8:14 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$