965
CDUS45 KRIW 040730
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1230 AM MST THU DEC 04 2025
...............................
..THE RIVERTON WY CLIMATE SUMMARY FOR DECEMBER 3 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 31 2:44 PM 57 1998 34 -3 46
MINIMUM 9 10:07 PM -1 2009 12 -3 16
AVERAGE 20 23 -3 31
PRECIPITATION (IN)
YESTERDAY 0.03 0.08 0.01 0.02 0.00
MONTH TO DATE 0.14 0.03 0.11 0.00
SINCE DEC 1 0.14 0.03 0.11 0.00
SINCE JAN 1 9.10 8.33 0.77 6.22
SNOWFALL (IN)
YESTERDAY 0.3 2.0 2013 0.0
MONTH TO DATE 1.5 0.0
SINCE DEC 1 1.5 0.0
SINCE JUL 1 3.5 3.8
SNOW DEPTH 2
DEGREE DAYS
HEATING
YESTERDAY 45 42 3 34
MONTH TO DATE 128 126 2 104
SINCE DEC 1 128 126 2 104
SINCE JUL 1 1571 2023 -452 1621
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 611 499 112 610
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION N (20)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION N (20)
AVERAGE WIND SPEED 7.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT SNOW
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 12:00 AM
LOWEST 63 4:00 PM
AVERAGE 80
......................................................
THE RIVERTON WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 33 57 2007
MINIMUM TEMPERATURE (F) 11 -8 2009
SUNRISE AND SUNSET
DECEMBER 4 2025......SUNRISE 7:29 AM MST SUNSET 4:39 PM MST
DECEMBER 5 2025......SUNRISE 7:30 AM MST SUNSET 4:39 PM MST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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