332
CDUS45 KRIW 140730
CLILND
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1230 AM MST SUN DEC 14 2025
...............................
..THE LANDER WY CLIMATE SUMMARY FOR DECEMBER 13 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 58 2:57 PM 60 1921 33 25 49
MINIMUM 31 7:21 AM -23 1926 10 21 16
1932
AVERAGE 45 21 24
PRECIPITATION (IN)
YESTERDAY 0.00 0.44 1916 0.02 -0.02 0.00
MONTH TO DATE 0.18 0.29 -0.11 0.00
SINCE DEC 1 0.18 0.29 -0.11 0.00
SINCE JAN 1 13.31 12.89 0.42 9.19
SNOWFALL (IN)
YESTERDAY 0.0 6.1 1975 0.3 -0.3 0.0
MONTH TO DATE 2.6 4.2 -1.6 0.0
SINCE DEC 1 2.6 4.2 -1.6 0.0
SINCE JUL 1 3.7 26.8 -23.1 10.3
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 20 44 -24 32
MONTH TO DATE 390 545 -155 411
SINCE DEC 1 390 545 -155 411
SINCE JUL 1 1760 2373 -613 1840
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 17 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 5.9
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 64 1:00 AM
LOWEST 17 2:00 PM
AVERAGE 41
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THE LANDER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 33 61 1924
MINIMUM TEMPERATURE (F) 10 -26 1926
SUNRISE AND SUNSET
DECEMBER 14 2025......SUNRISE 7:38 AM MST SUNSET 4:41 PM MST
DECEMBER 15 2025......SUNRISE 7:39 AM MST SUNSET 4:42 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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