899  
CDUS45 KRIW 110027  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
527 PM MST SUN DEC 10 2023  
   
...............................  
 
   
..THE LANDER WY CLIMATE SUMMARY FOR DECEMBER 10 2023  
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 42 3:42 PM 65 1933 33 9 27  
MINIMUM 13 4:09 AM -24 1932 11 2 9  
1972  
AVERAGE 28 22 6 18  
 
PRECIPITATION (IN)  
TODAY 0.00 0.57 1949 0.02 -0.02 0.00  
MONTH TO DATE 0.03 0.22 -0.19 T  
SINCE DEC 1 0.03 0.22 -0.19 T  
SINCE JAN 1 17.04 12.82 4.22 12.60  
 
SNOWFALL (IN)  
TODAY 0.0 0.4 -0.4 0.0  
MONTH TO DATE 0.1 3.3 -3.2 0.0  
SINCE DEC 1 0.1 3.3 -3.2 0.0  
SINCE JUL 1 24.3 25.9 -1.6 14.2  
SNOW DEPTH 3  
 
DEGREE DAYS  
HEATING  
TODAY 37 43 -6 47  
MONTH TO DATE 365 415 -50 434  
SINCE DEC 1 365 415 -50 434  
SINCE JUL 1 1973 2243 -270 2181  
 
COOLING  
TODAY 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 14 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 5.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 73  
LOWEST 37  
AVERAGE 55  
   
......................................................  
 
THE LANDER WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 33 65 1937  
MINIMUM TEMPERATURE (F) 11 -26 1972  
 
SUNRISE AND SUNSET  
DECEMBER 10 2023......SUNRISE 7:35 AM MST SUNSET 4:41 PM MST  
DECEMBER 11 2023......SUNRISE 7:35 AM MST SUNSET 4:41 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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