470  
CDUS45 KRIW 140739  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
139 AM MDT TUE OCT 14 2025  
   
...............................
 
 
   
..THE LANDER WY CLIMATE SUMMARY FOR OCTOBER 13 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 55 3:05 PM 79 1918 60 -5 69  
MINIMUM 27 6:22 AM 10 1969 33 -6 39  
AVERAGE 41 47 -6  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.71 1966 0.05 -0.05 0.00  
MONTH TO DATE 0.89 0.66 0.23 0.00  
SINCE SEP 1 2.09 1.64 0.45 0.40  
SINCE JAN 1 12.10 11.08 1.02 7.42  
 
SNOWFALL (IN)  
YESTERDAY 0.0 19.4 1966 0.3 -0.3 0.0  
MONTH TO DATE T 3.7 -3.7 0.0  
SINCE SEP 1 T 5.2 -5.2 0.0  
SINCE JUL 1 T 5.2 -5.2 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 24 18 6 11  
MONTH TO DATE 166 203 -37 67  
SINCE SEP 1 265 398 -133 151  
SINCE JUL 1 270 437 -167 169  
 
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 12 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION N (360)  
AVERAGE WIND SPEED 2.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 73 8:00 PM  
LOWEST 38 2:00 PM  
AVERAGE 56  
   
......................................................
 
 
THE LANDER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 60 81 1958  
MINIMUM TEMPERATURE (F) 33 13 2008  
 
SUNRISE AND SUNSET  
OCTOBER 14 2025.......SUNRISE 7:28 AM MDT SUNSET 6:33 PM MDT  
OCTOBER 15 2025.......SUNRISE 7:29 AM MDT SUNSET 6:32 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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