304  
CDUS45 KRIW 030727  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
127 AM MDT FRI OCT 03 2025  
   
...............................
 
 
   
..THE LANDER WY CLIMATE SUMMARY FOR OCTOBER 2 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 4:06 PM 84 2024 66 13 84  
MINIMUM 42 5:45 AM 20 1891 38 4 45  
AVERAGE 61 52 9  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.69 1930 0.06 -0.06 0.00  
MONTH TO DATE 0.00 0.11 -0.11 0.00  
SINCE SEP 1 1.20 1.09 0.11 0.40  
SINCE JAN 1 11.21 10.53 0.68 7.42  
 
SNOWFALL (IN)  
YESTERDAY 0.0 7.5 1986 0.3 -0.3 0.0  
MONTH TO DATE 0.0 0.5 -0.5 0.0  
SINCE SEP 1 0.0 2.0 -2.0 0.0  
SINCE JUL 1 0.0 2.0 -2.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 4 13 -9 0  
MONTH TO DATE 8 26 -18 12  
SINCE SEP 1 107 221 -114 96  
SINCE JUL 1 112 260 -148 114  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 42 32 10 83  
SINCE JAN 1 569 484 85 644    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 6.4  
 
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 74 6:00 AM  
LOWEST 17 4:00 PM  
AVERAGE 46  
   
......................................................
 
 
THE LANDER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 65 86 2010  
MINIMUM TEMPERATURE (F) 38 10 1891  
 
SUNRISE AND SUNSET  
OCTOBER 3 2025.......SUNRISE 7:15 AM MDT SUNSET 6:52 PM MDT  
OCTOBER 4 2025.......SUNRISE 7:16 AM MDT SUNSET 6:50 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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