754  
CDUS45 KRIW 180731  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
131 AM MDT WED JUN 18 2025  
   
...............................  
 
   
..THE LANDER WY CLIMATE SUMMARY FOR JUNE 17 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 12:52 PM 95 1940 79 0 84  
MINIMUM 55 5:06 AM 32 1907 48 7 44  
AVERAGE 67 63 4  
 
PRECIPITATION (IN)  
YESTERDAY T 1.41 1998 0.03 -0.03 0.00  
MONTH TO DATE 0.70 0.78 -0.08 0.01  
SINCE JUN 1 0.70 0.78 -0.08 0.01  
SINCE JAN 1 9.26 8.03 1.23 5.87  
 
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 4 -4 1  
MONTH TO DATE 68 94 -26 8  
SINCE JUN 1 68 94 -26 8  
SINCE JUL 1 6880 7681 -801 7157  
 
COOLING  
YESTERDAY 2 2 0 0  
MONTH TO DATE 45 23 22 74  
SINCE JUN 1 45 23 22 74  
SINCE JAN 1 53 28 25 74    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 31 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION N (360)  
AVERAGE WIND SPEED 9.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 67 7:00 AM  
LOWEST 27 1:00 PM  
AVERAGE 47  
   
......................................................  
 
THE LANDER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 92 1940  
1974  
MINIMUM TEMPERATURE (F) 48 29 1895  
 
SUNRISE AND SUNSET  
JUNE 18 2025..........SUNRISE 5:36 AM MDT SUNSET 8:56 PM MDT  
JUNE 19 2025..........SUNRISE 5:36 AM MDT SUNSET 8:57 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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