013  
CDUS45 KRIW 120729  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
129 AM MDT THU OCT 12 2023  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR OCTOBER 11 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 65 12:28 PM 84 1996 62 3 59  
MINIMUM 45 11:59 PM 16 2009 32 13 30  
2019  
AVERAGE 55 47 8  
 
PRECIPITATION (IN)  
YESTERDAY 0.32 0.45 1943 0.04 0.28 T  
MONTH TO DATE 0.37 0.49 -0.12 0.07  
SINCE SEP 1 0.96 1.44 -0.48 0.88  
SINCE JAN 1 13.44 10.27 3.17 11.27  
 
SNOWFALL (IN)  
YESTERDAY 0.0 5.0 2008 0.2 -0.2 0.0  
MONTH TO DATE 0.0 2.1 -2.1 0.0  
SINCE SEP 1 0.0 3.6 -3.6 0.0  
SINCE JUL 1 0.0 3.6 -3.6 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 10 18 -8 20  
MONTH TO DATE 134 173 -39 156  
SINCE SEP 1 261 387 -126 300  
SINCE JUL 1 314 432 -118 302  
 
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 25 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 8.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 8:00 PM  
LOWEST 33 12:00 AM  
AVERAGE 65  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 61 81 1991  
MINIMUM TEMPERATURE (F) 32 9 1969  
 
SUNRISE AND SUNSET  
OCTOBER 12 2023.......SUNRISE 7:16 AM MDT SUNSET 6:28 PM MDT  
OCTOBER 13 2023.......SUNRISE 7:17 AM MDT SUNSET 6:27 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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