CDUS45 KRIW 210730 CLIRIW CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 130 AM MDT TUE APR 21 2026 ................................... ...THE RIVERTON WY CLIMATE SUMMARY FOR APRIL 20 2026... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1995 TO 2026 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 77R 4:53 PM 74 2019 58 19 58 MINIMUM 38 1:34 AM 10 2021 31 7 30 AVERAGE 58 44 14 44 PRECIPITATION (IN) YESTERDAY 0.00 0.61 0.05 -0.05 T MONTH TO DATE 0.03 0.73 -0.70 0.55 SINCE MAR 1 0.18 1.38 -1.20 2.27 SINCE JAN 1 0.45 2.07 -1.62 2.77 SNOWFALL (IN) YESTERDAY 0.0 3.1 2001 0.0 MONTH TO DATE 0.1 4.0 SINCE MAR 1 3.4 17.3 SINCE JUL 1 11.4 29.8 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 7 21 -14 21 MONTH TO DATE 360 454 -94 457 SINCE MAR 1 903 1366 -463 1297 SINCE JUL 1 5196 7244 -2048 6644 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 24 HIGHEST WIND DIRECTION W (250) HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION W (250) AVERAGE WIND SPEED 9.6 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 28 1:00 AM LOWEST 5 5:00 PM AVERAGE 17 .......................................................... THE RIVERTON WY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 58 74 2009 MINIMUM TEMPERATURE (F) 31 17 2008 SUNRISE AND SUNSET APRIL 21 2026.........SUNRISE 6:22 AM MDT SUNSET 8:04 PM MDT APRIL 22 2026.........SUNRISE 6:21 AM MDT SUNSET 8:05 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$