CDUS45 KRIW 160821 CLICPR CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 221 AM MDT THU APR 16 2026 ................................... ...THE CASPER WY CLIMATE SUMMARY FOR APRIL 15 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 66 4:08 PM 79 1962 56 10 73 MINIMUM 35 4:51 AM -3 1945 28 7 16 AVERAGE 51 42 9 PRECIPITATION (IN) YESTERDAY T 0.47 1940 0.05 -0.05 0.00 MONTH TO DATE 0.22 0.63 -0.41 0.29 SINCE MAR 1 0.38 1.47 -1.09 1.62 SINCE JAN 1 0.92 2.52 -1.60 2.34 SNOWFALL (IN) YESTERDAY 0.0 3.2 2000 0.4 -0.4 0.0 MONTH TO DATE 1.3 6.0 -4.7 3.7 SINCE MAR 1 2.9 16.3 -13.4 11.7 SINCE JUL 1 18.6 64.6 -46.0 22.2 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 14 23 -9 20 MONTH TO DATE 293 363 -70 359 SINCE MAR 1 879 1270 -391 1208 SINCE JUL 1 5056 6632 -1576 6223 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 35 HIGHEST WIND DIRECTION W (260) HIGHEST GUST SPEED 46 HIGHEST GUST DIRECTION SW (240) AVERAGE WIND SPEED 20.3 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.1 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN RELATIVE HUMIDITY (PERCENT) HIGHEST 54 5:00 AM LOWEST 18 1:00 PM AVERAGE 36 .......................................................... THE CASPER WY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 56 80 1994 MINIMUM TEMPERATURE (F) 28 14 1951 SUNRISE AND SUNSET APRIL 16 2026.........SUNRISE 6:22 AM MDT SUNSET 7:50 PM MDT APRIL 17 2026.........SUNRISE 6:21 AM MDT SUNSET 7:51 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$