780 CDUS45 KRIW 010727 CLICPR CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 127 AM MDT SUN JUN 01 2025 ................................... ...THE CASPER WY CLIMATE SUMMARY FOR MAY 31 2025... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1939 TO 2025 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 81 3:37 PM 91 2020 73 8 75 MINIMUM 44 4:02 AM 27 1979 42 2 36 AVERAGE 63 58 5 PRECIPITATION (IN) YESTERDAY 0.00 0.37 1995 0.07 -0.07 0.00 MONTH TO DATE 1.28 2.21 -0.93 2.44 SINCE MAR 1 4.20 4.46 -0.26 4.23 SINCE JAN 1 4.92 5.51 -0.59 5.26 SNOWFALL (IN) YESTERDAY 0.0 0.0 2021 0.0 0.0 0.0 MONTH TO DATE 0.3 2.6 -2.3 3.9 SINCE MAR 1 16.0 23.4 -7.4 13.2 SINCE JUL 1 26.5 71.7 -45.2 42.5 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 2 8 -6 9 MONTH TO DATE 367 410 -43 466 SINCE MAR 1 1916 1999 -83 1992 SINCE JUL 1 6931 7361 -430 6947 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 4 -4 3 SINCE MAR 1 0 4 -4 3 SINCE JAN 1 0 4 -4 3 ................................................................... WIND (MPH) HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION E (100) HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NE (40) AVERAGE WIND SPEED 5.3 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 100 4:00 AM LOWEST 24 6:00 PM AVERAGE 62 .......................................................... THE CASPER WY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 74 91 2020 MINIMUM TEMPERATURE (F) 42 30 1951 SUNRISE AND SUNSET JUNE 1 2025..........SUNRISE 5:30 AM MDT SUNSET 8:38 PM MDT JUNE 2 2025..........SUNRISE 5:29 AM MDT SUNSET 8:39 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$