449  
CDUS45 KRIW 230747  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
147 AM MDT MON OCT 23 2023  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR OCTOBER 22 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 70 3:19 PM 80 2003 57 13 66  
MINIMUM 36 11:59 PM 9 2020 29 7 48  
AVERAGE 53 43 10  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.69 1986 0.03 -0.03 0.00  
MONTH TO DATE 1.73 0.92 0.81 0.07  
SINCE SEP 1 2.32 1.87 0.45 0.88  
SINCE JAN 1 14.80 10.70 4.10 11.27  
 
SNOWFALL (IN)  
YESTERDAY 0.0 9.4 1995 0.3 -0.3 0.0  
MONTH TO DATE T 4.7 -4.7 0.0  
SINCE SEP 1 T 6.2 -6.2 0.0  
SINCE JUL 1 T 6.2 -6.2 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 12 22 -10 8  
MONTH TO DATE 297 397 -100 330  
SINCE SEP 1 424 611 -187 474  
SINCE JUL 1 477 656 -179 476  
 
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 15 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 5.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 1:00 AM  
LOWEST 27 2:00 PM  
AVERAGE 60  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 56 81 2003  
MINIMUM TEMPERATURE (F) 29 -5 2020  
 
SUNRISE AND SUNSET  
OCTOBER 23 2023.......SUNRISE 7:29 AM MDT SUNSET 6:11 PM MDT  
OCTOBER 24 2023.......SUNRISE 7:30 AM MDT SUNSET 6:09 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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