046
CDUS45 KRIW 090727
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1227 AM MST TUE DEC 09 2025
...............................
..THE RIVERTON WY CLIMATE SUMMARY FOR DECEMBER 8 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 48 1:41 PM 51 2021 32 16 49
MINIMUM 25 7:21 AM -18 2005 10 15 23
AVERAGE 37 21 16 36
PRECIPITATION (IN)
YESTERDAY 0.00 0.08 0.01 -0.01 0.00
MONTH TO DATE 0.14 0.08 0.06 0.00
SINCE DEC 1 0.14 0.08 0.06 0.00
SINCE JAN 1 9.10 8.38 0.72 6.22
SNOWFALL (IN)
YESTERDAY 0.0 4.0 2007 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 0
DEGREE DAYS
HEATING
YESTERDAY 28 44 -16 29
MONTH TO DATE 293 344 -51 272
SINCE DEC 1 293 344 -51 272
SINCE JUL 1 1736 2241 -505 1789
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 39 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 50 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 14.3
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 74 5:00 AM
LOWEST 33 2:00 PM
AVERAGE 54
......................................................
THE RIVERTON WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 32 56 2015
MINIMUM TEMPERATURE (F) 9 -21 2009
SUNRISE AND SUNSET
DECEMBER 9 2025......SUNRISE 7:34 AM MST SUNSET 4:39 PM MST
DECEMBER 10 2025......SUNRISE 7:35 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