454  
CDUS45 KRIW 300739  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1239 AM MST MON DEC 30 2024  
   
...............................
 
 
   
..THE LANDER WY CLIMATE SUMMARY FOR DECEMBER 29 2024
 
 
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)  
YESTERDAY  
MAXIMUM 55 3:12 PM 56 1996 32 23 25  
MINIMUM 22 8:58 AM -26 1990 9 13 4  
AVERAGE 39 20 19  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.64 1915 0.02 -0.02 0.00  
MONTH TO DATE 0.00 0.59 -0.59 0.71  
SINCE DEC 1 0.00 0.59 -0.59 0.71  
SINCE JAN 1 9.19 13.19 -4.00 16.82  
 
SNOWFALL (IN)  
YESTERDAY 0.0 9.1 1972 0.3 -0.3 0.0  
MONTH TO DATE 0.0 8.7 -8.7 8.1  
SINCE DEC 1 0.0 8.7 -8.7 8.1  
SINCE JUL 1 10.3 31.3 -21.0 32.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 26 45 -19 50  
MONTH TO DATE 908 1259 -351 1163  
SINCE DEC 1 908 1259 -351 1163  
SINCE JUL 1 2337 3087 -750 2771  
 
COOLING  
YESTERDAY 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 32 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 49 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 5.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78 9:00 AM  
LOWEST 19 3:00 PM  
AVERAGE 49  
   
......................................................
 
 
THE LANDER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 32 64 1980  
MINIMUM TEMPERATURE (F) 9 -28 1978  
 
SUNRISE AND SUNSET  
DECEMBER 30 2024......SUNRISE 7:45 AM MST SUNSET 4:50 PM MST  
DECEMBER 31 2024......SUNRISE 7:46 AM MST SUNSET 4:51 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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