059
CDUS45 KRIW 220728
CLILND
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1228 AM MST MON DEC 22 2025
...............................
..THE LANDER WY CLIMATE SUMMARY FOR DECEMBER 21 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 57 9:56 PM 61 1969 32 25 48
MINIMUM 24 8:21 AM -35 1990 9 15 27
AVERAGE 41 20 21
PRECIPITATION (IN)
YESTERDAY 0.00 0.68 2011 0.02 -0.02 0.00
MONTH TO DATE 0.21 0.44 -0.23 0.00
SINCE DEC 1 0.21 0.44 -0.23 0.00
SINCE JAN 1 13.34 13.04 0.30 9.19
SNOWFALL (IN)
YESTERDAY 0.0 8.4 2011 0.3 -0.3 0.0
MONTH TO DATE 2.6 6.4 -3.8 0.0
SINCE DEC 1 2.6 6.4 -3.8 0.0
SINCE JUL 1 3.7 29.0 -25.3 10.3
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 24 45 -21 27
MONTH TO DATE 596 899 -303 663
SINCE DEC 1 596 899 -303 663
SINCE JUL 1 1966 2727 -761 2092
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
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WIND (MPH)
HIGHEST WIND SPEED 45 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 67 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 8.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 60 8:00 AM
LOWEST 34 12:00 AM
AVERAGE 47
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THE LANDER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 32 58 1917
MINIMUM TEMPERATURE (F) 9 -35 1990
SUNRISE AND SUNSET
DECEMBER 22 2025......SUNRISE 7:43 AM MST SUNSET 4:45 PM MST
DECEMBER 23 2025......SUNRISE 7:43 AM MST SUNSET 4:45 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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