CDUS45 KRIW 200730 CLICPR CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 130 AM MDT WED MAY 20 2026 ................................... ...THE CASPER WY CLIMATE SUMMARY FOR MAY 19 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 52 2:45 PM 89 1992 68 -16 48 2009 MINIMUM 26R 3:18 AM 27 1966 38 -12 38 1968 AVERAGE 39 53 -14 PRECIPITATION (IN) YESTERDAY 0.00 1.24 2013 0.08 -0.08 0.23 MONTH TO DATE 1.08 1.37 -0.29 0.72 SINCE MAR 1 2.52 3.62 -1.10 3.64 SINCE JAN 1 3.06 4.67 -1.61 4.36 SNOWFALL (IN) YESTERDAY 0.0 4.7 1975 0.0 0.0 0.0 MONTH TO DATE 2.5 2.2 0.3 0.3 SINCE MAR 1 13.9 23.0 -9.1 16.0 SINCE JUL 1 29.6 71.3 -41.7 26.5 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 26 12 14 22 MONTH TO DATE 271 295 -24 248 SINCE MAR 1 1477 1884 -407 1797 SINCE JUL 1 5654 7246 -1592 6812 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 18 HIGHEST WIND DIRECTION SW (240) HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION SW (210) AVERAGE WIND SPEED 11.2 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 96 1:00 AM LOWEST 36 4:00 PM AVERAGE 66 .......................................................... THE CASPER WY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 69 89 1954 1964 MINIMUM TEMPERATURE (F) 39 24 2003 SUNRISE AND SUNSET MAY 20 2026...........SUNRISE 5:38 AM MDT SUNSET 8:27 PM MDT MAY 21 2026...........SUNRISE 5:37 AM MDT SUNSET 8:28 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$