799  
CDUS45 KRIW 100738  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
138 AM MDT TUE OCT 10 2023  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR OCTOBER 9 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1939 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 76 3:54 PM 83 2003 63 13 75  
MINIMUM 33 1:55 AM 12 2009 33 0 28  
AVERAGE 55 48 7  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.51 2005 0.04 -0.04 0.00  
MONTH TO DATE 0.05 0.40 -0.35 0.07  
SINCE SEP 1 0.64 1.35 -0.71 0.88  
SINCE JAN 1 13.12 10.18 2.94 11.27  
 
SNOWFALL (IN)  
YESTERDAY 0.0 5.2 2009 0.2 -0.2 0.0  
MONTH TO DATE 0.0 1.7 -1.7 0.0  
SINCE SEP 1 0.0 3.2 -3.2 0.0  
SINCE JUL 1 0.0 3.2 -3.2 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 10 17 -7 13  
MONTH TO DATE 114 137 -23 125  
SINCE SEP 1 241 351 -110 269  
SINCE JUL 1 294 396 -102 271  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 20 30 -10 68  
SINCE JAN 1 342 442 -100 544    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 8.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 69 2:00 AM  
LOWEST 16 5:00 PM  
AVERAGE 43  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 62 85 2015  
MINIMUM TEMPERATURE (F) 33 11 2009  
 
SUNRISE AND SUNSET  
OCTOBER 10 2023.......SUNRISE 7:13 AM MDT SUNSET 6:32 PM MDT  
OCTOBER 11 2023.......SUNRISE 7:14 AM MDT SUNSET 6:30 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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