965  
CDUS45 KRIW 250737  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1237 AM MST MON DEC 25 2023  
   
...............................  
 
   
..THE LANDER WY CLIMATE SUMMARY FOR DECEMBER 24 2023  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1891 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 24 2:37 PM 55 2005 32 -8 10  
MINIMUM 6 11:59 PM -28 1924 9 -3 -11  
AVERAGE 15 20 -5  
 
PRECIPITATION (IN)  
YESTERDAY 0.09 0.30 1893 0.02 0.07 0.00  
1997  
MONTH TO DATE 0.71 0.50 0.21 1.32  
SINCE DEC 1 0.71 0.50 0.21 1.32  
SINCE JAN 1 17.72 13.10 4.62 13.92  
 
SNOWFALL (IN)  
YESTERDAY MM 2.6 1951 0.2 MM 0.0  
MONTH TO DATE 0.1 7.2 -7.1 14.8  
SINCE DEC 1 0.1 7.2 -7.1 14.8  
SINCE JUL 1 24.3 29.8 -5.5 29.0  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 50 45 5 65  
MONTH TO DATE 902 1034 -132 1231  
SINCE DEC 1 902 1034 -132 1231  
SINCE JUL 1 2510 2862 -352 2978  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 361 485 -124 720    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 3.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 12:00 AM  
LOWEST 57 3:00 PM  
AVERAGE 75  
   
......................................................  
 
THE LANDER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 32 56 1899  
MINIMUM TEMPERATURE (F) 9 -25 1891  
 
SUNRISE AND SUNSET  
DECEMBER 25 2023......SUNRISE 7:44 AM MST SUNSET 4:46 PM MST  
DECEMBER 26 2023......SUNRISE 7:44 AM MST SUNSET 4:47 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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