059
CDUS45 KRIW 310732
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1232 AM MST WED DEC 31 2025
...............................
..THE RIVERTON WY CLIMATE SUMMARY FOR DECEMBER 30 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 36 4:11 PM 51 1996 30 6 40
MINIMUM 11 6:51 AM -21 2014 7 4 22
AVERAGE 24 18 6 31
PRECIPITATION (IN)
YESTERDAY 0.00 0.26 0.01 -0.01 0.03
MONTH TO DATE 0.18 0.25 -0.07 0.03
SINCE DEC 1 0.18 0.25 -0.07 0.03
SINCE JAN 1 9.14 8.55 0.59 6.25
SNOWFALL (IN)
YESTERDAY 0.0 6.5 2010 0.7
MONTH TO DATE 1.5 0.7
SINCE DEC 1 1.5 0.7
SINCE JUL 1 3.5 4.5
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 41 47 -6 34
MONTH TO DATE 875 1362 -487 1046
SINCE DEC 1 875 1362 -487 1046
SINCE JUL 1 2318 3259 -941 2563
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 9 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 3.1
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 80 6:00 AM
LOWEST 42 4:00 PM
AVERAGE 61
......................................................
THE RIVERTON WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 30 51 1996
MINIMUM TEMPERATURE (F) 7 -23 2014
SUNRISE AND SUNSET
DECEMBER 31 2025......SUNRISE 7:45 AM MST SUNSET 4:49 PM MST
JANUARY 1 2026.......SUNRISE 7:45 AM MST SUNSET 4:50 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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