Climatological Report (Daily)
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
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CDUS45 KRIW 210733
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1233 AM MST FRI NOV 21 2025
...................................
...THE RIVERTON WY CLIMATE SUMMARY FOR NOVEMBER 20 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 47 3:24 PM 56 1996 40 7 41
MINIMUM 27 7:46 AM -2 2011 17 10 12
AVERAGE 37 29 8 27
PRECIPITATION (IN)
YESTERDAY 0.00 0.19 0.01 -0.01 0.00
MONTH TO DATE 0.25 0.23 0.02 0.15
SINCE SEP 1 2.67 1.83 0.84 0.79
SINCE JAN 1 8.92 8.19 0.73 6.22
SNOWFALL (IN)
YESTERDAY 0.0 5.0 2004 0.0
MONTH TO DATE 0.0 0.7
SINCE SEP 1 T 3.8
SINCE JUL 1 T 3.8
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 28 36 -8 38
MONTH TO DATE 428 637 -209 623
SINCE SEP 1 1083 1470 -387 1143
SINCE JUL 1 1086 1506 -420 1161
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 37 31 6 68
SINCE JAN 1 611 499 112 610
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 4.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 6:00 AM
LOWEST 58 3:00 PM
AVERAGE 79
..........................................................
THE RIVERTON WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 40 61 2006
MINIMUM TEMPERATURE (F) 17 -4 2015
SUNRISE AND SUNSET
NOVEMBER 21 2025......SUNRISE 7:14 AM MST SUNSET 4:45 PM MST
NOVEMBER 22 2025......SUNRISE 7:15 AM MST SUNSET 4:44 PM MST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$