826
CDUS45 KRIW 280045
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
545 PM MST SAT DEC 27 2025
...............................
..THE RIVERTON WY CLIMATE SUMMARY FOR DECEMBER 27 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 45R 1:53 PM 45 2005 29 16 36
MINIMUM 21 7:59 AM -10 2017 7 14 18
AVERAGE 33 18 15 27
PRECIPITATION (IN)
TODAY 0.00 0.05 2012 0.01 -0.01 0.00
MONTH TO DATE 0.18 0.23 -0.05 T
SINCE DEC 1 0.18 0.23 -0.05 T
SINCE JAN 1 9.14 8.53 0.61 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 32 47 -15 38
MONTH TO DATE 736 1221 -485 947
SINCE DEC 1 736 1221 -485 947
SINCE JUL 1 2179 3118 -939 2464
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 26 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 10.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100
LOWEST 27
AVERAGE 64
......................................................
THE RIVERTON WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 29 50 1998
MINIMUM TEMPERATURE (F) 7 -11 2007
SUNRISE AND SUNSET
DECEMBER 27 2025......SUNRISE 7:44 AM MST SUNSET 4:46 PM MST
DECEMBER 28 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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