617  
CDUS45 KRIW 050728  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1228 AM MST TUE DEC 05 2023  
   
...............................
 
 
   
..THE LANDER WY CLIMATE SUMMARY FOR DECEMBER 4 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 46 1:16 PM 64 2021 35 11 25  
MINIMUM 21 1:53 AM -25 1909 13 8 4  
AVERAGE 34 24 10  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.80 1906 0.02 -0.02 0.00  
MONTH TO DATE 0.00 0.09 -0.09 T  
SINCE DEC 1 0.00 0.09 -0.09 T  
SINCE JAN 1 17.01 12.69 4.32 12.60  
 
SNOWFALL (IN)  
YESTERDAY 0.0 7.7 1972 0.3 -0.3 0.0  
MONTH TO DATE 0.0 1.3 -1.3 0.0  
SINCE DEC 1 0.0 1.3 -1.3 0.0  
SINCE JUL 1 24.2 23.9 0.3 14.2  
SNOW DEPTH 10  
 
DEGREE DAYS  
HEATING  
YESTERDAY 31 41 -10 50  
MONTH TO DATE 163 162 1 182  
SINCE DEC 1 163 162 1 182  
SINCE JUL 1 1771 1990 -219 1929  
 
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 16 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 5.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 74 7:00 AM  
LOWEST 49 2:00 PM  
AVERAGE 62  
   
......................................................
 
 
THE LANDER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 35 59 1918  
2012  
MINIMUM TEMPERATURE (F) 12 -26 1909  
 
SUNRISE AND SUNSET  
DECEMBER 5 2023......SUNRISE 7:30 AM MST SUNSET 4:41 PM MST  
DECEMBER 6 2023......SUNRISE 7:31 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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