062  
CDUS45 KRIW 300732  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
132 AM MDT SAT AUG 30 2025  
   
...............................
 
 
   
..THE LANDER WY CLIMATE SUMMARY FOR AUGUST 29 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 79 2:19 PM 96 2012 82 -3 76  
MINIMUM 51 5:58 AM 33 1892 51 0 42  
AVERAGE 65 66 -1  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.08 1932 0.01 -0.01 0.00  
MONTH TO DATE 0.36 0.48 -0.12 0.74  
SINCE JUN 1 1.34 2.15 -0.81 1.16  
SINCE JAN 1 9.90 9.40 0.50 7.02  
 
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 2 -2 6  
MONTH TO DATE 2 19 -17 12  
SINCE JUN 1 92 157 -65 53  
SINCE JUL 1 4 33 -29 18  
 
COOLING  
YESTERDAY 0 3 -3 0  
MONTH TO DATE 193 169 24 191  
SINCE JUN 1 517 442 75 556  
SINCE JAN 1 525 447 78 556    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 5.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 6:00 AM  
LOWEST 28 3:00 PM  
AVERAGE 59  
   
......................................................
 
 
THE LANDER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 95 1954  
MINIMUM TEMPERATURE (F) 50 30 1910  
 
SUNRISE AND SUNSET  
AUGUST 30 2025........SUNRISE 6:38 AM MDT SUNSET 7:52 PM MDT  
AUGUST 31 2025........SUNRISE 6:39 AM MDT SUNSET 7:50 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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