452  
CDUS45 KRIW 170726  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
126 AM MDT TUE OCT 17 2023  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR OCTOBER 16 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 4:03 PM 83 1991 59 11 57  
MINIMUM 38 5:53 AM 18 1992 31 7 20  
AVERAGE 54 45 9  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.06 1998 0.04 -0.04 0.00  
MONTH TO DATE 1.73 0.70 1.03 0.07  
SINCE SEP 1 2.32 1.65 0.67 0.88  
SINCE JAN 1 14.80 10.48 4.32 11.27  
 
SNOWFALL (IN)  
YESTERDAY 0.0 16.0 1998 0.2 -0.2 0.0  
MONTH TO DATE T 3.1 -3.1 0.0  
SINCE SEP 1 T 4.6 -4.6 0.0  
SINCE JUL 1 T 4.6 -4.6 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 11 20 -9 26  
MONTH TO DATE 236 269 -33 249  
SINCE SEP 1 363 483 -120 393  
SINCE JUL 1 416 528 -112 395  
 
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 20 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 9.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 6:00 AM  
LOWEST 30 2:00 PM  
AVERAGE 56  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 59 79 2003  
MINIMUM TEMPERATURE (F) 30 19 1968  
1996  
2012  
 
SUNRISE AND SUNSET  
OCTOBER 17 2023.......SUNRISE 7:22 AM MDT SUNSET 6:20 PM MDT  
OCTOBER 18 2023.......SUNRISE 7:23 AM MDT SUNSET 6:19 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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