355  
CDUS45 KRIW 080730  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
130 AM MDT FRI AUG 08 2025  
   
...............................
 
 
   
..THE LANDER WY CLIMATE SUMMARY FOR AUGUST 7 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 94 2:19 PM 98 1990 88 6 85  
MINIMUM 59 5:31 AM 44 1906 56 3 56  
1917  
AVERAGE 77 72 5  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.55 1930 0.02 -0.02 0.00  
MONTH TO DATE T 0.15 -0.15 T  
SINCE JUN 1 0.98 1.82 -0.84 0.42  
SINCE JAN 1 9.54 9.07 0.47 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 12 7 5 6  
MONTH TO DATE 55 53 2 84  
SINCE JUN 1 379 326 53 449  
SINCE JAN 1 387 331 56 449    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 31 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 45 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 9.2  
 
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 29 7:00 AM  
LOWEST 8 2:00 PM  
AVERAGE 19  
   
......................................................
 
 
THE LANDER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 98 1983  
MINIMUM TEMPERATURE (F) 56 38 1939  
 
SUNRISE AND SUNSET  
AUGUST 8 2025........SUNRISE 6:14 AM MDT SUNSET 8:26 PM MDT  
AUGUST 9 2025........SUNRISE 6:15 AM MDT SUNSET 8:25 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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