922  
CDUS45 KRIW 180734  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
134 AM MDT WED OCT 18 2023  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR OCTOBER 17 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 75 2:46 PM 79 2003 59 16 68  
MINIMUM 42 11:23 PM 19 1968 30 12 21  
1996  
2012  
AVERAGE 59 45 14  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.31 1971 0.04 -0.04 0.00  
MONTH TO DATE 1.73 0.74 0.99 0.07  
SINCE SEP 1 2.32 1.69 0.63 0.88  
SINCE JAN 1 14.80 10.52 4.28 11.27  
 
SNOWFALL (IN)  
YESTERDAY 0.0 4.3 1996 0.3 -0.3 0.0  
MONTH TO DATE T 3.4 -3.4 0.0  
SINCE SEP 1 T 4.9 -4.9 0.0  
SINCE JUL 1 T 4.9 -4.9 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 6 20 -14 20  
MONTH TO DATE 242 289 -47 269  
SINCE SEP 1 369 503 -134 413  
SINCE JUL 1 422 548 -126 415  
 
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 31 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 42 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 16.4  
 
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 65 2:00 AM  
LOWEST 19 2:00 PM  
AVERAGE 42  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 59 78 2003  
MINIMUM TEMPERATURE (F) 30 16 2006  
 
SUNRISE AND SUNSET  
OCTOBER 18 2023.......SUNRISE 7:23 AM MDT SUNSET 6:19 PM MDT  
OCTOBER 19 2023.......SUNRISE 7:24 AM MDT SUNSET 6:17 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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