161  
CDUS45 KRIW 260727  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
127 AM MDT SAT JUL 26 2025  
   
...............................  
 
   
..THE LANDER WY CLIMATE SUMMARY FOR JULY 25 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 4:17 PM 97 1933 89 4 91  
1945  
2011  
MINIMUM 60 5:55 AM 43 1892 57 3 62  
AVERAGE 77 73 4  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.88 1976 0.02 -0.02 0.01  
MONTH TO DATE 0.21 0.46 -0.25 0.25  
SINCE JUN 1 0.91 1.54 -0.63 0.38  
SINCE JAN 1 9.47 8.79 0.68 6.24  
 
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 MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 2 9 -7 6  
SINCE JUN 1 90 133 -43 41  
SINCE JUL 1 2 9 -7 6  
 
COOLING  
YESTERDAY 12 8 4 12  
MONTH TO DATE 193 167 26 182  
SINCE JUN 1 280 226 54 325  
SINCE JAN 1 288 231 57 325    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 8.9  
 
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 36 6:00 AM  
LOWEST 8 12:00 PM  
AVERAGE 22  
   
......................................................  
 
THE LANDER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 98 2021  
MINIMUM TEMPERATURE (F) 57 41 1999  
 
SUNRISE AND SUNSET  
JULY 26 2025..........SUNRISE 6:01 AM MDT SUNSET 8:42 PM MDT  
JULY 27 2025..........SUNRISE 6:02 AM MDT SUNSET 8:41 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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