597
CDUS45 KRIW 290045
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
545 PM MST SUN DEC 28 2025
...............................
..THE RIVERTON WY CLIMATE SUMMARY FOR DECEMBER 28 2025
VALID TODAY AS OF 0500 PM LOCAL TIME.
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)
TODAY
MAXIMUM 25 3:46 PM 50 1998 29 -4 40
MINIMUM 6 7:25 AM -11 2007 7 -1 22
AVERAGE 16 18 -2 31
PRECIPITATION (IN)
TODAY 0.00 0.08 2013 0.01 -0.01 0.00
MONTH TO DATE 0.18 0.24 -0.06 T
SINCE DEC 1 0.18 0.24 -0.06 T
SINCE JAN 1 9.14 8.54 0.60 6.22
SNOWFALL (IN)
TODAY MM 0.0
MONTH TO DATE 1.5 T
SINCE DEC 1 1.5 T
SINCE JUL 1 3.5 3.8
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 49 47 2 34
MONTH TO DATE 787 1268 -481 981
SINCE DEC 1 787 1268 -481 981
SINCE JUL 1 2230 3165 -935 2498
COOLING
TODAY 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 17 HIGHEST WIND DIRECTION N (10)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 7.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 88
LOWEST 29
AVERAGE 59
......................................................
THE RIVERTON WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 30 55 1996
MINIMUM TEMPERATURE (F) 7 -9 2012
2018
SUNRISE AND SUNSET
DECEMBER 28 2025......SUNRISE 7:45 AM MST SUNSET 4:47 PM MST
DECEMBER 29 2025......SUNRISE 7:45 AM MST SUNSET 4:47 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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