538  
CDUS45 KRIW 050045  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
645 PM MDT MON AUG 04 2025  
   
...............................
 
 
   
..THE LANDER WY CLIMATE SUMMARY FOR AUGUST 4 2025
 
 
VALID TODAY AS OF 0600 PM LOCAL TIME.  
 
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)  
TODAY  
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 82  
 
PRECIPITATION (IN)  
TODAY 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)  
TODAY MM 0.0 MM 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 MM  
 
DEGREE DAYS  
HEATING  
TODAY 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  
TODAY 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 17 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 6.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 55  
LOWEST 9  
AVERAGE 32  
   
......................................................
 
 
THE LANDER WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 101 1979  
MINIMUM TEMPERATURE (F) 56 39 1896  
 
SUNRISE AND SUNSET  
AUGUST 4 2025........SUNRISE 6:10 AM MDT SUNSET 8:31 PM MDT  
AUGUST 5 2025........SUNRISE 6:11 AM MDT SUNSET 8:30 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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