CDUS45 KRIW 190045 CLIRIW CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 645 PM MDT WED MAR 18 2026 ................................... ...THE RIVERTON WY CLIMATE SUMMARY FOR MARCH 18 2026... VALID TODAY AS OF 0600 PM LOCAL TIME. 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) TODAY MAXIMUM 78R 3:02 PM 70 2007 50 28 38 2017 MINIMUM 48 7:18 AM 9 2023 24 24 25 AVERAGE 63 37 26 32 PRECIPITATION (IN) TODAY 0.00 0.21 2003 0.02 -0.02 0.15 MONTH TO DATE 0.15 0.27 -0.12 1.29 SINCE MAR 1 0.15 0.27 -0.12 1.29 SINCE JAN 1 0.42 0.96 -0.54 1.79 SNOWFALL (IN) TODAY MM 0.9 MONTH TO DATE 3.3 11.9 SINCE MAR 1 3.3 11.9 SINCE JUL 1 11.3 24.4 SNOW DEPTH MM DEGREE DAYS HEATING TODAY 2 28 -26 33 MONTH TO DATE 408 572 -164 543 SINCE MAR 1 408 572 -164 543 SINCE JUL 1 4701 6450 -1749 5890 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 30 HIGHEST WIND DIRECTION W (260) HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION NW (320) AVERAGE WIND SPEED 18.0 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 27 LOWEST 7 AVERAGE 17 .......................................................... THE RIVERTON WY CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 50 721997 MINIMUM TEMPERATURE (F) 24 5 2023 SUNRISE AND SUNSET MARCH 18 2026.........SUNRISE 7:20 AM MDT SUNSET 7:24 PM MDT MARCH 19 2026.........SUNRISE 7:19 AM MDT SUNSET 7:25 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$