894  
CDUS45 KRIW 110729  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
129 AM MDT WED OCT 11 2023  
   
...............................
 
 
   
..THE LANDER WY CLIMATE SUMMARY FOR OCTOBER 10 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1891 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 75 3:02 PM 82 2015 62 13 74  
MINIMUM 41 6:34 AM 10 2009 34 7 42  
AVERAGE 58 48 10  
 
PRECIPITATION (IN)  
YESTERDAY T 0.79 2008 0.05 -0.05 0.00  
MONTH TO DATE 0.16 0.51 -0.35 0.27  
SINCE SEP 1 0.72 1.49 -0.77 1.77  
SINCE JAN 1 13.94 10.93 3.01 11.49  
 
SNOWFALL (IN)  
YESTERDAY 0.0 8.2 2008 0.2 -0.2 0.0  
MONTH TO DATE 0.0 2.7 -2.7 0.0  
SINCE SEP 1 0.0 4.2 -4.2 0.0  
SINCE JUL 1 0.0 4.2 -4.2 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 7 17 -10 7  
MONTH TO DATE 107 149 -42 119  
SINCE SEP 1 203 344 -141 226  
SINCE JUL 1 249 383 -134 227  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 29 32 -3 102  
SINCE JAN 1 361 484 -123 720    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 41 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 53 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 7.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 51 11:00 PM  
LOWEST 15 4:00 PM  
AVERAGE 33  
   
......................................................
 
 
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 2023.......SUNRISE 7:23 AM MDT SUNSET 6:39 PM MDT  
OCTOBER 12 2023.......SUNRISE 7:25 AM MDT SUNSET 6:38 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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