CDUS45 KRIW 050045 CLICPR CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 645 PM MDT MON MAY 04 2026 ................................... ...THE CASPER WY CLIMATE SUMMARY FOR MAY 4 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 60 2:15 PM 85 2000 62 -2 77 MINIMUM 38 4:56 AM 23 2024 33 5 33 AVERAGE 49 47 2 55 PRECIPITATION (IN) TODAY 0.00 1.39 1971 0.07 -0.07 T MONTH TO DATE 0.00 0.26 -0.26 0.05 SINCE MAR 1 1.44 2.51 -1.07 2.97 SINCE JAN 1 1.98 3.56 -1.58 3.69 SNOWFALL (IN) TODAY MM 0.1 MM 0.0 MONTH TO DATE 0.0 0.6 -0.6 0.0 SINCE MAR 1 11.4 21.4 -10.0 15.7 SINCE JUL 1 27.1 69.7 -42.6 26.2 SNOW DEPTH MM DEGREE DAYS HEATING TODAY 16 18 -2 10 MONTH TO DATE 64 74 -10 62 SINCE MAR 1 1270 1663 -393 1611 SINCE JUL 1 5447 7025 -1578 6626 COOLING TODAY 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 26 HIGHEST WIND DIRECTION N (10) HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION N (10) AVERAGE WIND SPEED 13.3 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 62 LOWEST 34 AVERAGE 48 .......................................................... THE CASPER WY CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 62 88 2000 MINIMUM TEMPERATURE (F) 33 20 1950 2010 SUNRISE AND SUNSET MAY 4 2026...........SUNRISE 5:56 AM MDT SUNSET 8:10 PM MDT MAY 5 2026...........SUNRISE 5:54 AM MDT SUNSET 8:11 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$