162  
CDUS45 KRIW 110730  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
130 AM MDT SUN OCT 11 2026  
   
...............................
 
 
   
..THE LANDER WY CLIMATE SUMMARY FOR OCTOBER 10 2026
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1891 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 75 1:51 PM 82 2015 62 13 70  
MINIMUM 54 11:59 PM 10 2009 34 20 43  
AVERAGE 65 48 17  
 
PRECIPITATION (IN)  
YESTERDAY T 0.79 2008 0.05 -0.05 T  
MONTH TO DATE T 0.51 -0.51 0.88  
SINCE SEP 1 2.18 1.49 0.69 2.08  
SINCE JAN 1 8.54 10.93 -2.39 12.09  
 
SNOWFALL (IN)  
YESTERDAY 0.0 8.2 2008 0.2 -0.2 0.0  
MONTH TO DATE 0.0 2.7 -2.7 T  
SINCE SEP 1 0.0 4.2 -4.2 T  
SINCE JUL 1 0.0 4.2 -4.2 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 17 -17 8  
MONTH TO DATE 24 149 -125 119  
SINCE SEP 1 113 344 -231 218  
SINCE JUL 1 116 383 -267 223  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 4 0 4 0  
SINCE SEP 1 48 32 16 42  
SINCE JAN 1 718 484 234 569    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 39 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 53 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 14.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 62 11:00 PM  
LOWEST 27 11:00 AM  
AVERAGE 45  
   
......................................................
 
 
THE LANDER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 61 81 1991  
1996  
MINIMUM TEMPERATURE (F) 34 12 2009  
 
SUNRISE AND SUNSET  
OCTOBER 11 2026.......SUNRISE 7:24 AM MDT SUNSET 6:39 PM MDT  
OCTOBER 12 2026.......SUNRISE 7:25 AM MDT SUNSET 6:37 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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