CDUS45 KRIW 080727 CLICPR CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 127 AM MDT FRI MAY 08 2026 ................................... ...THE CASPER WY CLIMATE SUMMARY FOR MAY 7 2026... 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) YESTERDAY MAXIMUM 69 2:19 PM 85 1992 63 6 65 MINIMUM 45 11:59 PM 21 2010 34 11 37 AVERAGE 57 48 9 PRECIPITATION (IN) YESTERDAY 0.17 0.47 1986 0.07 0.10 0.00 MONTH TO DATE 0.24 0.46 -0.22 0.34 SINCE MAR 1 1.68 2.71 -1.03 3.26 SINCE JAN 1 2.22 3.76 -1.54 3.98 SNOWFALL (IN) YESTERDAY MM 2.1 1986 0.2 MM 0.0 MONTH TO DATE T 1.1 -1.1 0.3 SINCE MAR 1 11.4 21.9 -10.5 16.0 SINCE JUL 1 27.1 70.2 -43.1 26.5 SNOW DEPTH MM DEGREE DAYS HEATING YESTERDAY 8 17 -9 14 MONTH TO DATE 128 126 2 126 SINCE MAR 1 1334 1715 -381 1675 SINCE JUL 1 5511 7077 -1566 6690 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE MAR 1 0 0 0 0 SINCE JAN 1 0 0 0 0 ................................................................... WIND (MPH) HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NW (300) HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION N (360) AVERAGE WIND SPEED 10.1 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.8 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. THUNDERSTORM RAIN LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 93 10:00 PM LOWEST 33 2:00 PM AVERAGE 63 .......................................................... THE CASPER WY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 63 84 1987 MINIMUM TEMPERATURE (F) 34 18 2010 SUNRISE AND SUNSET MAY 8 2026...........SUNRISE 5:51 AM MDT SUNSET 8:15 PM MDT MAY 9 2026...........SUNRISE 5:49 AM MDT SUNSET 8:16 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$