867  
CDUS45 KRIW 040727  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
127 AM MDT FRI JUL 04 2025  
   
...............................  
 
   
..THE LANDER WY CLIMATE SUMMARY FOR JULY 3 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 11:24 AM 97 1996 85 -1 83  
2001  
MINIMUM 57 11:06 PM 32 1921 52 5 50  
AVERAGE 71 69 2  
 
PRECIPITATION (IN)  
YESTERDAY T 0.68 1925 0.02 -0.02 0.00  
MONTH TO DATE T 0.05 -0.05 T  
SINCE JUN 1 0.70 1.13 -0.43 0.13  
SINCE JAN 1 9.26 8.38 0.88 5.99  
 
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 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 0 3 -3 1  
SINCE JUN 1 88 127 -39 36  
SINCE JUL 1 0 3 -3 1  
 
COOLING  
YESTERDAY 6 5 1 2  
MONTH TO DATE 29 14 15 6  
SINCE JUN 1 116 73 43 149  
SINCE JAN 1 124 78 46 149    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 6.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 72 9:00 PM  
LOWEST 25 12:00 PM  
AVERAGE 49  
   
......................................................  
 
THE LANDER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 98 1989  
MINIMUM TEMPERATURE (F) 53 34 1903  
 
SUNRISE AND SUNSET  
JULY 4 2025..........SUNRISE 5:42 AM MDT SUNSET 8:56 PM MDT  
JULY 5 2025..........SUNRISE 5:43 AM MDT SUNSET 8:56 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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