441  
CDUS45 KRIW 010736  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1236 AM MST FRI DEC 01 2023  
   
...............................
 
 
   
..THE LANDER WY CLIMATE SUMMARY FOR NOVEMBER 30 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 21 3:51 PM 63 1999 37 -16 16  
MINIMUM 2 6:53 AM -19 1896 14 -12 -3  
AVERAGE 12 26 -14  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.49 1945 0.02 -0.02 0.00  
MONTH TO DATE 1.26 0.78 0.48 1.07  
SINCE SEP 1 3.79 3.16 0.63 2.88  
SINCE JAN 1 17.01 12.60 4.41 12.60  
 
SNOWFALL (IN)  
YESTERDAY 0.0 3.5 2011 0.4 -0.4 0.0  
MONTH TO DATE 22.9 10.6 12.3 14.2  
SINCE SEP 1 24.2 22.6 1.6 14.2  
SINCE JUL 1 24.2 22.6 1.6 14.2  
SNOW DEPTH 12  
 
DEGREE DAYS  
HEATING  
YESTERDAY 53 40 13 58  
MONTH TO DATE 925 986 -61 1138  
SINCE SEP 1 1562 1788 -226 1746  
SINCE JUL 1 1608 1827 -219 1747  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 29 33 -4 102  
SINCE JAN 1 361 485 -124 720    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 10 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 1.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 91 9:00 AM  
LOWEST 70 5:00 PM  
AVERAGE 81  
   
......................................................
 
 
THE LANDER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 37 63 2021  
MINIMUM TEMPERATURE (F) 14 -10 1985  
 
SUNRISE AND SUNSET  
DECEMBER 1 2023......SUNRISE 7:26 AM MST SUNSET 4:42 PM MST  
DECEMBER 2 2023......SUNRISE 7:27 AM MST SUNSET 4:42 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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