675  
CDUS45 KRIW 240732  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1232 AM MST WED DEC 24 2025  
   
...............................  
 
   
..THE LANDER WY CLIMATE SUMMARY FOR DECEMBER 23 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 60R 1:31 PM 57 1901 32 28 43  
MINIMUM 39 1:42 AM -37 1983 9 30 25  
AVERAGE 50 20 30  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.59 2023 0.02 -0.02 0.00  
MONTH TO DATE 0.21 0.48 -0.27 0.00  
SINCE DEC 1 0.21 0.48 -0.27 0.00  
SINCE JAN 1 13.34 13.08 0.26 9.19  
 
SNOWFALL (IN)  
YESTERDAY 0.0 9.2 1987 0.3 -0.3 0.0  
MONTH TO DATE 2.6 7.0 -4.4 0.0  
SINCE DEC 1 2.6 7.0 -4.4 0.0  
SINCE JUL 1 3.7 29.6 -25.9 10.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 15 45 -30 31  
MONTH TO DATE 627 989 -362 719  
SINCE DEC 1 627 989 -362 719  
SINCE JUL 1 1997 2817 -820 2148  
 
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 32 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 45 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 7.4  
 
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 62 2:00 AM  
LOWEST 16 4:00 PM  
AVERAGE 39  
   
......................................................  
 
THE LANDER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 32 55 2005  
MINIMUM TEMPERATURE (F) 9 -28 1924  
 
SUNRISE AND SUNSET  
DECEMBER 24 2025......SUNRISE 7:44 AM MST SUNSET 4:46 PM MST  
DECEMBER 25 2025......SUNRISE 7:44 AM MST SUNSET 4:46 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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