772  
CDUS45 KRIW 050728  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
128 AM MDT TUE AUG 05 2025  
   
...............................
 
 
   
..THE LANDER WY CLIMATE SUMMARY FOR AUGUST 4 2025
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1891 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 93 3:29 PM 96 1909 89 4 94  
1979  
MINIMUM 54 5:37 AM 42 1980 56 -2 70  
AVERAGE 74 72 2  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.43 2014 0.02 -0.02 T  
MONTH TO DATE T 0.08 -0.08 T  
SINCE JUN 1 0.98 1.75 -0.77 0.42  
SINCE JAN 1 9.54 9.00 0.54 6.28  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 2020 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE JUN 1 0.0 0.1 -0.1 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 90 138 -48 41  
SINCE JUL 1 2 14 -12 6  
 
COOLING  
YESTERDAY 9 8 1 17  
MONTH TO DATE 24 32 -8 54  
SINCE JUN 1 348 305 43 419  
SINCE JAN 1 356 310 46 419    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 7.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 55 6:00 AM  
LOWEST 7 6:00 PM  
AVERAGE 31  
   
......................................................
 
 
THE LANDER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 101 1979  
MINIMUM TEMPERATURE (F) 56 39 1896  
 
SUNRISE AND SUNSET  
AUGUST 5 2025........SUNRISE 6:11 AM MDT SUNSET 8:30 PM MDT  
AUGUST 6 2025........SUNRISE 6:12 AM MDT SUNSET 8:29 PM MDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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