343
CDUS45 KRIW 300731
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1231 AM MST TUE DEC 30 2025
...............................
..THE RIVERTON WY CLIMATE SUMMARY FOR DECEMBER 29 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 31 3:54 PM 55 1996 30 1 47
MINIMUM 5 8:01 AM -9 2012 7 -2 20
2018
AVERAGE 18 18 0 34
PRECIPITATION (IN)
YESTERDAY 0.00 0.16 0.00 0.00 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)
YESTERDAY 0.0 1.5 2014 0.0
MONTH TO DATE 1.5 T
SINCE DEC 1 1.5 T
SINCE JUL 1 3.5 3.8
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 47 47 0 31
MONTH TO DATE 834 1315 -481 1012
SINCE DEC 1 834 1315 -481 1012
SINCE JUL 1 2277 3212 -935 2529
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 8 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 9 HIGHEST GUST DIRECTION N (20)
AVERAGE WIND SPEED 3.0
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 79 8:00 AM
LOWEST 39 3:00 PM
AVERAGE 59
......................................................
THE RIVERTON WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 30 51 1996
MINIMUM TEMPERATURE (F) 7 -21 2014
SUNRISE AND SUNSET
DECEMBER 30 2025......SUNRISE 7:45 AM MST SUNSET 4:48 PM MST
DECEMBER 31 2025......SUNRISE 7:45 AM MST SUNSET 4:49 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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