281  
CDUS45 KRIW 170733  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
133 AM MDT THU JUL 17 2025  
   
...............................
 
 
   
..THE LANDER WY CLIMATE SUMMARY FOR JULY 16 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 73 5:35 PM 100 2005 88 -15 82  
MINIMUM 53 5:52 AM 38 1907 56 -3 54  
AVERAGE 63 72 -9  
 
PRECIPITATION (IN)  
YESTERDAY T 1.60 1896 0.02 -0.02 0.00  
MONTH TO DATE 0.21 0.27 -0.06 0.01  
SINCE JUN 1 0.91 1.35 -0.44 0.14  
SINCE JAN 1 9.47 8.60 0.87 6.00  
 
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 2 0 2 0  
MONTH TO DATE 2 9 -7 6  
SINCE JUN 1 90 133 -43 41  
SINCE JUL 1 2 9 -7 6  
 
COOLING  
YESTERDAY 0 7 -7 3  
MONTH TO DATE 117 95 22 106  
SINCE JUN 1 204 154 50 249  
SINCE JAN 1 212 159 53 249    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 6.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 6:00 AM  
LOWEST 49 4:00 PM  
AVERAGE 73  
   
......................................................
 
 
THE LANDER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 100 2022  
MINIMUM TEMPERATURE (F) 56 41 1907  
 
SUNRISE AND SUNSET  
JULY 17 2025..........SUNRISE 5:52 AM MDT SUNSET 8:50 PM MDT  
JULY 18 2025..........SUNRISE 5:53 AM MDT SUNSET 8:49 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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