


Climatological Report (Daily)
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
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105 CDUS45 KRIW 050731 CLIRIW CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 131 AM MDT SUN OCT 05 2025 ................................... ...THE RIVERTON WY CLIMATE SUMMARY FOR OCTOBER 4 2025... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1995 TO 2025 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 61 2:56 PM 83 2024 64 -3 83 MINIMUM 40 8:44 PM 24 2013 37 3 38 AVERAGE 51 50 1 61 PRECIPITATION (IN) YESTERDAY 0.28 1.05 0.04 0.24 0.00 MONTH TO DATE 0.28 0.15 0.13 0.00 SINCE SEP 1 1.27 0.92 0.35 0.07 SINCE JAN 1 7.52 7.28 0.24 5.50 SNOWFALL (IN) YESTERDAY 0.0 11.3 2009 0.0 MONTH TO DATE 0.0 0.0 SINCE SEP 1 0.0 0.0 SINCE JUL 1 0.0 0.0 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 14 15 -1 4 MONTH TO DATE 21 56 -35 29 SINCE SEP 1 118 261 -143 115 SINCE JUL 1 121 297 -176 133 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 1 SINCE SEP 1 37 31 6 68 SINCE JAN 1 611 499 112 610 ................................................................... WIND (MPH) HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION N (360) HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION N (350) AVERAGE WIND SPEED 10.4 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.6 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. THUNDERSTORM RAIN LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 96 9:00 PM LOWEST 46 3:00 PM AVERAGE 71 .......................................................... THE RIVERTON WY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 64 77 1996 1997 MINIMUM TEMPERATURE (F) 36 19 2013 SUNRISE AND SUNSET OCTOBER 5 2025.......SUNRISE 7:16 AM MDT SUNSET 6:47 PM MDT OCTOBER 6 2025.......SUNRISE 7:17 AM MDT SUNSET 6:46 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$