195  
CDUS45 KRIW 010029  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
529 PM MST TUE DEC 31 2024  
   
...............................  
 
   
..THE LANDER WY CLIMATE SUMMARY FOR DECEMBER 31 2024  
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1891 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 30 2:55 PM 57 1980 32 -2 32  
MINIMUM 20 7:43 AM -32 1978 9 11 16  
AVERAGE 25 20 5 24  
 
PRECIPITATION (IN)  
TODAY 0.00 0.45 2018 0.02 -0.02 0.00  
MONTH TO DATE 0.04 0.63 -0.59 0.71  
SINCE DEC 1 0.04 0.63 -0.59 0.71  
SINCE JAN 1 9.23 13.23 -4.00 16.82  
 
SNOWFALL (IN)  
TODAY MM 0.3 MM 0.0  
MONTH TO DATE 1.4 9.3 -7.9 8.1  
SINCE DEC 1 1.4 9.3 -7.9 8.1  
SINCE JUL 1 11.7 31.9 -20.2 32.3  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 40 45 -5 41  
MONTH TO DATE 981 1349 -368 1250  
SINCE DEC 1 981 1349 -368 1250  
SINCE JUL 1 2410 3177 -767 2858  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 644 485 159 361    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION N (360)  
AVERAGE WIND SPEED 5.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92  
LOWEST 58  
AVERAGE 75  
   
......................................................  
 
THE LANDER WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 32 64 1918  
MINIMUM TEMPERATURE (F) 9 -36 1901  
 
SUNRISE AND SUNSET  
DECEMBER 31 2024......SUNRISE 7:46 AM MST SUNSET 4:51 PM MST  
JANUARY 1 2025.......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.  
 
 
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