322  
CDUS45 KRIW 210727  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
127 AM MDT SAT JUN 21 2025  
   
...............................  
 
   
..THE LANDER WY CLIMATE SUMMARY FOR JUNE 20 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 90 3:13 PM 95 1936 80 10 82  
2007  
MINIMUM 59 5:18 AM 31 1906 49 10 52  
AVERAGE 75 64 11  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.27 1947 0.02 -0.02 0.00  
MONTH TO DATE 0.70 0.86 -0.16 0.01  
SINCE JUN 1 0.70 0.86 -0.16 0.01  
SINCE JAN 1 9.26 8.11 1.15 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 3 -3 0  
MONTH TO DATE 68 103 -35 34  
SINCE JUN 1 68 103 -35 34  
SINCE JUL 1 6880 7690 -810 7183  
 
COOLING  
YESTERDAY 10 2 8 2  
MONTH TO DATE 67 29 38 76  
SINCE JUN 1 67 29 38 76  
SINCE JAN 1 75 34 41 76    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 36 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 49 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 14.1  
 
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 37 5:00 AM  
LOWEST 10 6:00 PM  
AVERAGE 24  
   
......................................................  
 
THE LANDER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 95 2016  
MINIMUM TEMPERATURE (F) 49 33 1960  
 
SUNRISE AND SUNSET  
JUNE 21 2025..........SUNRISE 5:37 AM MDT SUNSET 8:57 PM MDT  
JUNE 22 2025..........SUNRISE 5:37 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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