094
CDUS45 KRIW 140045
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
545 PM MST SAT DEC 13 2025
...............................
..THE RIVERTON WY CLIMATE SUMMARY FOR DECEMBER 13 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 54 1:39 PM 55 2010 31 23 41
MINIMUM 36 1:41 AM -7 2000 8 28 16
AVERAGE 45 20 25 29
PRECIPITATION (IN)
TODAY 0.00 0.18 2022 0.01 -0.01 0.00
MONTH TO DATE 0.14 0.12 0.02 T
SINCE DEC 1 0.14 0.12 0.02 T
SINCE JAN 1 9.10 8.42 0.68 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 20 46 -26 36
MONTH TO DATE 394 569 -175 466
SINCE DEC 1 394 569 -175 466
SINCE JUL 1 1837 2466 -629 1983
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 39 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 50 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 12.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 52
LOWEST 20
AVERAGE 36
......................................................
THE RIVERTON WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 30 54 2010
2021
MINIMUM TEMPERATURE (F) 8 -13 2008
SUNRISE AND SUNSET
DECEMBER 13 2025......SUNRISE 7:37 AM MST SUNSET 4:39 PM MST
DECEMBER 14 2025......SUNRISE 7:38 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.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page