Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS45 KRIW 290728
CLILND
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1228 AM MST MON DEC 29 2025
...................................
...THE LANDER WY CLIMATE SUMMARY FOR DECEMBER 28 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 28 4:05 PM 58 1945 32 -4 52
MINIMUM 7 8:14 AM -17 1894 9 -2 23
1900
AVERAGE 18 20 -2
PRECIPITATION (IN)
YESTERDAY 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)
YESTERDAY T 5.2 1972 0.3 -0.3 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 T
DEGREE DAYS
HEATING
YESTERDAY 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
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 13 HIGHEST WIND DIRECTION SE (120)
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION SE (130)
AVERAGE WIND SPEED 4.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT SNOW
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 84 1:00 AM
LOWEST 29 3:00 PM
AVERAGE 57
..........................................................
THE LANDER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 32 56 1996
MINIMUM TEMPERATURE (F) 9 -26 1990
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.
$$