429
CDUS45 KRIW 300045
CLILND
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
545 PM MST MON DEC 29 2025
...............................
..THE LANDER WY CLIMATE SUMMARY FOR DECEMBER 29 2025
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1891 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 36 3:41 PM 56 1996 32 4 55
MINIMUM 7 7:49 AM -26 1990 9 -2 22
AVERAGE 22 20 2 39
PRECIPITATION (IN)
TODAY 0.00 0.64 1915 0.02 -0.02 0.00
MONTH TO DATE 0.28 0.59 -0.31 0.00
SINCE DEC 1 0.28 0.59 -0.31 0.00
SINCE JAN 1 13.41 13.19 0.22 9.19
SNOWFALL (IN)
TODAY MM 0.3 MM 0.0
MONTH TO DATE 2.6 8.7 -6.1 0.0
SINCE DEC 1 2.6 8.7 -6.1 0.0
SINCE JUL 1 3.7 31.3 -27.6 10.3
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 43 45 -2 26
MONTH TO DATE 805 1259 -454 908
SINCE DEC 1 805 1259 -454 908
SINCE JUL 1 2175 3087 -912 2337
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 569 485 84 644
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 10 HIGHEST GUST DIRECTION SE (130)
AVERAGE WIND SPEED 2.7
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 79
LOWEST 36
AVERAGE 58
......................................................
THE LANDER WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 32 64 1980
MINIMUM TEMPERATURE (F) 9 -28 1978
SUNRISE AND SUNSET
DECEMBER 29 2025......SUNRISE 7:45 AM MST SUNSET 4:49 PM MST
DECEMBER 30 2025......SUNRISE 7:45 AM MST SUNSET 4:50 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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