Climatological Report (Daily)
Issued by NWS
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061
CDUS45 KRIW 310732
CLILND
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1232 AM MST WED DEC 31 2025
...................................
...THE LANDER WY CLIMATE SUMMARY FOR DECEMBER 30 2025...
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)
YESTERDAY
MAXIMUM 41 2:45 PM 64 1980 32 9 42
MINIMUM 12 7:31 AM -28 1978 9 3 21
AVERAGE 27 20 7
PRECIPITATION (IN)
YESTERDAY 0.00 0.62 2010 0.02 -0.02 0.04
MONTH TO DATE 0.28 0.61 -0.33 0.04
SINCE DEC 1 0.28 0.61 -0.33 0.04
SINCE JAN 1 13.41 13.21 0.20 9.23
SNOWFALL (IN)
YESTERDAY 0.0 8.3 2010 0.3 -0.3 1.4
MONTH TO DATE 2.6 9.0 -6.4 1.4
SINCE DEC 1 2.6 9.0 -6.4 1.4
SINCE JUL 1 3.7 31.6 -27.9 11.7
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 38 45 -7 33
MONTH TO DATE 843 1304 -461 941
SINCE DEC 1 843 1304 -461 941
SINCE JUL 1 2213 3132 -919 2370
COOLING
YESTERDAY 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 15 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 4.4
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 80 8:00 AM
LOWEST 39 3:00 PM
AVERAGE 60
..........................................................
THE LANDER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 32 57 1980
MINIMUM TEMPERATURE (F) 9 -32 1978
SUNRISE AND SUNSET
DECEMBER 31 2025......SUNRISE 7:46 AM MST SUNSET 4:51 PM MST
JANUARY 1 2026.......SUNRISE 7:46 AM MST SUNSET 4:52 PM MST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$