CDUS45 KRIW 230045 CLICPR CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 645 PM MDT SAT AUG 22 2026 ................................... ...THE CASPER WY CLIMATE SUMMARY FOR AUGUST 22 2026... VALID TODAY AS OF 0600 PM LOCAL TIME. CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1939 TO 2026 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) TODAY MAXIMUM 84 4:59 PM 97 2009 85 -1 81 2010 MINIMUM 59 5:14 AM 36 1966 50 9 54 AVERAGE 72 68 4 68 PRECIPITATION (IN) TODAY 0.00 0.38 1992 0.02 -0.02 0.00 MONTH TO DATE 1.88 0.60 1.28 0.23 SINCE JUN 1 2.56 3.13 -0.57 1.90 SINCE JAN 1 6.21 8.64 -2.43 6.82 SNOWFALL (IN) TODAY MM 0.0 MM 0.0 MONTH TO DATE 0.0 0.0 0.0 0.0 SINCE JUN 1 0.0 0.1 -0.1 0.0 SINCE JUL 1 0.0 0.0 0.0 0.0 SNOW DEPTH MM DEGREE DAYS HEATING TODAY 0 1 -1 0 MONTH TO DATE 5 10 -5 4 SINCE JUN 1 97 150 -53 100 SINCE JUL 1 5 24 -19 9 COOLING TODAY 7 4 3 3 MONTH TO DATE 154 126 28 136 SINCE JUN 1 531 377 154 438 SINCE JAN 1 532 381 151 438 ................................................................... WIND (MPH) HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (80) HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION E (80) AVERAGE WIND SPEED 5.1 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.1 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 93 LOWEST 41 AVERAGE 67 .......................................................... THE CASPER WY CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 85 98 2020 MINIMUM TEMPERATURE (F) 50 29 2015 SUNRISE AND SUNSET AUGUST 22 2026........SUNRISE 6:20 AM MDT SUNSET 7:57 PM MDT AUGUST 23 2026........SUNRISE 6:21 AM MDT SUNSET 7:55 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$