965  
CDUS45 KRIW 140053  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
553 PM MST WED DEC 13 2023  
   
...............................
 
 
   
..THE LANDER WY CLIMATE SUMMARY FOR DECEMBER 13 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 27 2:14 PM 60 1921 33 -6 20  
MINIMUM 15 7:25 AM -23 1926 10 5 14  
1932  
AVERAGE 21 21 0 17  
 
PRECIPITATION (IN)  
TODAY 0.00 0.44 1916 0.02 -0.02 0.27  
MONTH TO DATE 0.03 0.29 -0.26 0.76  
SINCE DEC 1 0.03 0.29 -0.26 0.76  
SINCE JAN 1 17.04 12.89 4.15 13.36  
 
SNOWFALL (IN)  
TODAY 0.0 0.3 -0.3 2.4  
MONTH TO DATE 0.1 4.2 -4.1 7.8  
SINCE DEC 1 0.1 4.2 -4.1 7.8  
SINCE JUL 1 24.3 26.8 -2.5 22.0  
SNOW DEPTH 2  
 
DEGREE DAYS  
HEATING  
TODAY 44 44 0 48  
MONTH TO DATE 488 545 -57 557  
SINCE DEC 1 488 545 -57 557  
SINCE JUL 1 2096 2373 -277 2304  
 
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 6 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 1.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96  
LOWEST 77  
AVERAGE 87  
   
......................................................
 
 
THE LANDER WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 33 61 1924  
MINIMUM TEMPERATURE (F) 10 -26 1926  
 
SUNRISE AND SUNSET  
DECEMBER 13 2023......SUNRISE 7:37 AM MST SUNSET 4:41 PM MST  
DECEMBER 14 2023......SUNRISE 7:38 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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