148  
CDUS45 KRIW 010029  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
629 PM MDT TUE OCT 31 2023  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR OCTOBER 31 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 54 3:06 PM 70 2008 53 1 62  
2014  
MINIMUM 19 3:09 AM 2 1972 26 -7 38  
AVERAGE 37 40 -3 50  
 
PRECIPITATION (IN)  
TODAY 0.00 0.31 2000 0.03 -0.03 0.00  
MONTH TO DATE 1.88 1.19 0.69 0.27  
SINCE SEP 1 2.47 2.14 0.33 1.08  
SINCE JAN 1 14.95 10.97 3.98 11.47  
 
SNOWFALL (IN)  
TODAY 0.0 0.3 -0.3 0.0  
MONTH TO DATE 2.8 7.0 -4.2 0.1  
SINCE SEP 1 2.8 8.5 -5.7 0.1  
SINCE JUL 1 2.8 8.5 -5.7 0.1  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 28 25 3 15  
MONTH TO DATE 610 613 -3 554  
SINCE SEP 1 737 827 -90 698  
SINCE JUL 1 790 872 -82 700  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 1 -1 0  
SINCE SEP 1 20 31 -11 68  
SINCE JAN 1 342 443 -101 544    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 13.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81  
LOWEST 24  
AVERAGE 53  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 53 72 2014  
MINIMUM TEMPERATURE (F) 26 -4 1991  
 
SUNRISE AND SUNSET  
OCTOBER 31 2023.......SUNRISE 7:39 AM MDT SUNSET 6:00 PM MDT  
NOVEMBER 1 2023......SUNRISE 7:40 AM MDT SUNSET 5:58 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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