CDUS45 KRIW 240045 CLICPR CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 645 PM MDT SUN AUG 23 2026 ................................... ...THE CASPER WY CLIMATE SUMMARY FOR AUGUST 23 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 91 2:59 PM 98 2020 85 6 85 MINIMUM 63 5:01 AM 29 2015 50 13 50 AVERAGE 77 67 10 68 PRECIPITATION (IN) TODAY 0.01 0.80 1972 0.02 -0.01 0.00 MONTH TO DATE 1.89 0.62 1.27 0.23 SINCE JUN 1 2.57 3.15 -0.58 1.90 SINCE JAN 1 6.22 8.66 -2.44 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 11 -6 4 SINCE JUN 1 97 151 -54 100 SINCE JUL 1 5 25 -20 9 COOLING TODAY 12 4 8 3 MONTH TO DATE 166 130 36 139 SINCE JUN 1 543 381 162 441 SINCE JAN 1 544 385 159 441 ................................................................... WIND (MPH) HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION W (280) HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION W (270) AVERAGE WIND SPEED 12.9 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.2 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. LIGHT RAIN RELATIVE HUMIDITY (PERCENT) HIGHEST 81 LOWEST 18 AVERAGE 50 .......................................................... THE CASPER WY CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 85 97 1994 MINIMUM TEMPERATURE (F) 50 39 2010 SUNRISE AND SUNSET AUGUST 23 2026........SUNRISE 6:21 AM MDT SUNSET 7:55 PM MDT AUGUST 24 2026........SUNRISE 6:22 AM MDT SUNSET 7:54 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$