599
CDUS45 KRIW 290045
CLILND
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
545 PM MST SUN DEC 28 2025
...............................
..THE LANDER WY CLIMATE SUMMARY FOR DECEMBER 28 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 28 4:05 PM 58 1945 32 -4 52
MINIMUM 7 8:14 AM -17 1894 9 -2 23
1900
AVERAGE 18 20 -2 38
PRECIPITATION (IN)
TODAY T 0.37 1972 0.02 -0.02 0.00
MONTH TO DATE 0.28 0.57 -0.29 0.00
SINCE DEC 1 0.28 0.57 -0.29 0.00
SINCE JAN 1 13.41 13.17 0.24 9.19
SNOWFALL (IN)
TODAY MM 0.3 MM 0.0
MONTH TO DATE 2.6 8.4 -5.8 0.0
SINCE DEC 1 2.6 8.4 -5.8 0.0
SINCE JUL 1 3.7 31.0 -27.3 10.3
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 47 45 2 27
MONTH TO DATE 762 1214 -452 882
SINCE DEC 1 762 1214 -452 882
SINCE JUL 1 2132 3042 -910 2311
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 13 HIGHEST WIND DIRECTION SE (120)
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION SE (130)
AVERAGE WIND SPEED 4.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT SNOW
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 84
LOWEST 29
AVERAGE 57
......................................................
THE LANDER WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 32 56 1996
MINIMUM TEMPERATURE (F) 9 -26 1990
SUNRISE AND SUNSET
DECEMBER 28 2025......SUNRISE 7:45 AM MST SUNSET 4:48 PM MST
DECEMBER 29 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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