483  
CDUS45 KRIW 300745  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
145 AM MDT WED JUL 30 2025  
   
...............................  
 
   
..THE LANDER WY CLIMATE SUMMARY FOR JULY 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 84 4:51 PM 101 2006 89 -5 91  
MINIMUM 61 11:59 PM 43 1892 57 4 54  
1909  
AVERAGE 73 73 0  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.35 1985 0.02 -0.02 0.00  
MONTH TO DATE 0.21 0.55 -0.34 0.29  
SINCE JUN 1 0.91 1.63 -0.72 0.42  
SINCE JAN 1 9.47 8.88 0.59 6.28  
 
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 MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 2 9 -7 6  
SINCE JUN 1 90 133 -43 41  
SINCE JUL 1 2 9 -7 6  
 
COOLING  
YESTERDAY 8 8 0 8  
MONTH TO DATE 232 199 33 208  
SINCE JUN 1 319 258 61 351  
SINCE JAN 1 327 263 64 351    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 31 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 8.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 73 7:00 AM  
LOWEST 21 12:00 AM  
AVERAGE 47  
   
......................................................  
 
THE LANDER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 99 1988  
MINIMUM TEMPERATURE (F) 57 40 1904  
 
SUNRISE AND SUNSET  
JULY 30 2025..........SUNRISE 6:05 AM MDT SUNSET 8:37 PM MDT  
JULY 31 2025..........SUNRISE 6:06 AM MDT SUNSET 8:36 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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