915  
CDUS45 KRIW 210053  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
653 PM MDT FRI OCT 20 2023  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR OCTOBER 20 2023
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 75 2:34 PM 77 1992 58 17 76  
2003  
MINIMUM 44 4:57 AM 15 1949 29 15 32  
AVERAGE 60 44 16 54  
 
PRECIPITATION (IN)  
TODAY 0.00 0.48 1949 0.03 -0.03 0.00  
MONTH TO DATE 1.73 0.85 0.88 0.07  
SINCE SEP 1 2.32 1.80 0.52 0.88  
SINCE JAN 1 14.80 10.63 4.17 11.27  
 
SNOWFALL (IN)  
TODAY 0.0 0.3 -0.3 0.0  
MONTH TO DATE T 4.2 -4.2 0.0  
SINCE SEP 1 T 5.7 -5.7 0.0  
SINCE JUL 1 T 5.7 -5.7 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 5 22 -17 11  
MONTH TO DATE 267 353 -86 309  
SINCE SEP 1 394 567 -173 453  
SINCE JUL 1 447 612 -165 455  
 
COOLING  
TODAY 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 24 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 11.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 58  
LOWEST 22  
AVERAGE 40  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 57 79 1992  
MINIMUM TEMPERATURE (F) 29 12 1949  
 
SUNRISE AND SUNSET  
OCTOBER 20 2023.......SUNRISE 7:25 AM MDT SUNSET 6:16 PM MDT  
OCTOBER 21 2023.......SUNRISE 7:26 AM MDT SUNSET 6:14 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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