720  
CDUS45 KRIW 030727  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
127 AM MDT TUE OCT 03 2023  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR OCTOBER 2 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 66 11:37 AM 86 1992 67 -1 70  
MINIMUM 39 5:06 AM 15 1950 36 3 37  
AVERAGE 53 51 2  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 1.54 1986 0.04 -0.03 0.01  
MONTH TO DATE 0.01 0.09 -0.08 0.02  
SINCE SEP 1 0.60 1.04 -0.44 0.83  
SINCE JAN 1 13.08 9.87 3.21 11.22  
 
SNOWFALL (IN)  
YESTERDAY 0.0 13.3 1986 0.1 -0.1 0.0  
MONTH TO DATE 0.0 0.3 -0.3 0.0  
SINCE SEP 1 0.0 1.8 -1.8 0.0  
SINCE JUL 1 0.0 1.8 -1.8 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 12 14 -2 11  
MONTH TO DATE 18 27 -9 25  
SINCE SEP 1 145 241 -96 169  
SINCE JUL 1 198 286 -88 171  
 
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 28 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 8.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 3:00 AM  
LOWEST 46 3:00 PM  
AVERAGE 73  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 86 2010  
MINIMUM TEMPERATURE (F) 36 22 2009  
 
SUNRISE AND SUNSET  
OCTOBER 3 2023.......SUNRISE 7:05 AM MDT SUNSET 6:44 PM MDT  
OCTOBER 4 2023.......SUNRISE 7:06 AM MDT SUNSET 6:42 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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