163  
CDUS45 KRIW 200727  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
127 AM MDT SUN JUL 20 2025  
   
...............................  
 
   
..THE LANDER WY CLIMATE SUMMARY FOR JULY 19 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 92 3:01 PM 100 2021 89 3 89  
MINIMUM 56 4:24 AM 38 1895 56 0 59  
1900  
AVERAGE 74 72 2  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.02 1995 0.02 -0.02 T  
MONTH TO DATE 0.21 0.33 -0.12 0.15  
SINCE JUN 1 0.91 1.41 -0.50 0.28  
SINCE JAN 1 9.47 8.66 0.81 6.14  
 
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 2 9 -7 6  
SINCE JUN 1 90 133 -43 41  
SINCE JUL 1 2 9 -7 6  
 
COOLING  
YESTERDAY 9 8 1 9  
MONTH TO DATE 141 119 22 133  
SINCE JUN 1 228 178 50 276  
SINCE JAN 1 236 183 53 276    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 6.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 50 2:00 AM  
LOWEST 13 2:00 PM  
AVERAGE 32  
   
......................................................  
 
THE LANDER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 98 1960  
2005  
MINIMUM TEMPERATURE (F) 56 40 1900  
1902  
 
SUNRISE AND SUNSET  
JULY 20 2025..........SUNRISE 5:55 AM MDT SUNSET 8:47 PM MDT  
JULY 21 2025..........SUNRISE 5:56 AM MDT SUNSET 8:46 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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