541  
CDUS45 KRIW 120731  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
131 AM MDT THU JUN 12 2025  
   
...............................
 
 
   
..THE LANDER WY CLIMATE SUMMARY FOR JUNE 11 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 87 3:08 PM 93 1918 76 11 87  
MINIMUM 51 4:58 AM 32 1947 47 4 50  
AVERAGE 69 61 8  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 3.48 1947 0.04 -0.03 0.00  
MONTH TO DATE 0.69 0.58 0.11 T  
SINCE JUN 1 0.69 0.58 0.11 T  
SINCE JAN 1 9.25 7.83 1.42 5.86  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 2020 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.1 -0.1 0.0  
SINCE JUN 1 0.0 0.1 -0.1 0.0  
SINCE JUL 1 79.0 87.6 -8.6 70.9  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 5 -5 0  
MONTH TO DATE 68 68 0 7  
SINCE JUN 1 68 68 0 7  
SINCE JUL 1 6880 7655 -775 7156  
 
COOLING  
YESTERDAY 4 1 3 4  
MONTH TO DATE 16 11 5 35  
SINCE JUN 1 16 11 5 35  
SINCE JAN 1 24 16 8 35    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 39 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 53 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 6.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 77 11:00 PM  
LOWEST 20 3:00 PM  
AVERAGE 49  
   
......................................................
 
 
THE LANDER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 94 1918  
MINIMUM TEMPERATURE (F) 47 32 1947  
 
SUNRISE AND SUNSET  
JUNE 12 2025..........SUNRISE 5:36 AM MDT SUNSET 8:54 PM MDT  
JUNE 13 2025..........SUNRISE 5:36 AM MDT SUNSET 8:55 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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