433  
CDUS45 KRIW 180729  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
129 AM MDT WED SEP 18 2024  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR SEPTEMBER 17 2024
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1939 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 76 10:38 AM 89 2000 75 1 83  
MINIMUM 45 8:51 PM 19 1965 42 3 43  
AVERAGE 61 58 3  
 
PRECIPITATION (IN)  
YESTERDAY 0.07 0.75 2003 0.03 0.04 0.00  
MONTH TO DATE 0.24 0.45 -0.21 0.54  
SINCE SEP 1 0.24 0.45 -0.21 0.54  
SINCE JAN 1 7.22 9.28 -2.06 12.75  
 
SNOWFALL (IN)  
YESTERDAY 0.0 4.4 1965 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.4 -0.4 0.0  
SINCE SEP 1 0.0 0.4 -0.4 0.0  
SINCE JUL 1 0.0 0.4 -0.4 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 4 7 -3 2  
MONTH TO DATE 29 81 -52 56  
SINCE SEP 1 29 81 -52 56  
SINCE JUL 1 67 126 -59 109  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 51 27 24 19  
SINCE SEP 1 51 27 24 19  
SINCE JAN 1 526 439 87 341    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 40 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 51 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 14.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 77 3:00 PM  
LOWEST 30 11:00 AM  
AVERAGE 54  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 92 2014  
MINIMUM TEMPERATURE (F) 42 19 1965  
 
SUNRISE AND SUNSET  
SEPTEMBER 18 2024.....SUNRISE 6:49 AM MDT SUNSET 7:09 PM MDT  
SEPTEMBER 19 2024.....SUNRISE 6:51 AM MDT SUNSET 7:07 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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