659  
CDUS45 KRIW 100738  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
138 AM MDT TUE OCT 10 2023  
   
...............................
 
 
   
..THE LANDER WY CLIMATE SUMMARY FOR OCTOBER 9 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 2:06 PM 81 2003 62 13 70  
MINIMUM 41 6:03 AM 15 2009 35 6 39  
AVERAGE 58 48 10  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.26 1960 0.05 -0.05 0.00  
MONTH TO DATE 0.16 0.46 -0.30 0.27  
SINCE SEP 1 0.72 1.44 -0.72 1.77  
SINCE JAN 1 13.94 10.88 3.06 11.49  
 
SNOWFALL (IN)  
YESTERDAY 0.0 10.2 1973 0.3 -0.3 0.0  
MONTH TO DATE 0.0 2.5 -2.5 0.0  
SINCE SEP 1 0.0 4.0 -4.0 0.0  
SINCE JUL 1 0.0 4.0 -4.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 7 16 -9 10  
MONTH TO DATE 100 132 -32 112  
SINCE SEP 1 196 327 -131 219  
SINCE JUL 1 242 366 -124 220  
 
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 13 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 4.1  
 
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 62 6:00 AM  
LOWEST 17 4:00 PM  
AVERAGE 40  
   
......................................................
 
 
THE LANDER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 62 82 2015  
MINIMUM TEMPERATURE (F) 34 10 2009  
 
SUNRISE AND SUNSET  
OCTOBER 10 2023.......SUNRISE 7:22 AM MDT SUNSET 6:41 PM MDT  
OCTOBER 11 2023.......SUNRISE 7:23 AM MDT SUNSET 6:39 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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