472  
CDUS45 KRIW 300727  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
127 AM MDT MON JUN 30 2025  
   
...............................  
 
   
..THE LANDER WY CLIMATE SUMMARY FOR JUNE 29 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 MM MM 99 1990 83 MM 82  
MINIMUM MM MM 34 1906 51 MM 46  
AVERAGE MM 67 MM  
 
PRECIPITATION (IN)  
YESTERDAY MM 0.25 1957 0.02 MM 0.00  
MONTH TO DATE 0.70 1.06 -0.36 0.13  
SINCE JUN 1 0.70 1.06 -0.36 0.13  
SINCE JAN 1 9.26 8.31 0.95 5.99  
 
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 MM 2 MM 1  
MONTH TO DATE 88 123 -35 35  
SINCE JUN 1 88 123 -35 35  
SINCE JUL 1 6900 7710 -810 7184  
 
COOLING  
YESTERDAY MM 4 MM 0  
MONTH TO DATE 75 57 18 133  
SINCE JUN 1 75 57 18 133  
SINCE JAN 1 83 62 21 133    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED MM HIGHEST WIND DIRECTION MM  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED MM  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER MM  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST MM  
LOWEST MM  
AVERAGE MM  
   
......................................................  
 
THE LANDER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 99 1990  
MINIMUM TEMPERATURE (F) 52 35 1968  
 
SUNRISE AND SUNSET  
JUNE 30 2025..........SUNRISE 5:40 AM MDT SUNSET 8:57 PM MDT  
JULY 1 2025..........SUNRISE 5:41 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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