139  
CDUS45 KRIW 190733  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
133 AM MDT THU SEP 19 2024  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR SEPTEMBER 18 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 72 2:16 PM 92 2014 75 -3 83  
MINIMUM 46 11:59 PM 19 1965 42 4 47  
AVERAGE 59 58 1  
 
PRECIPITATION (IN)  
YESTERDAY T 0.57 1946 0.03 -0.03 0.00  
MONTH TO DATE 0.24 0.48 -0.24 0.54  
SINCE SEP 1 0.24 0.48 -0.24 0.54  
SINCE JAN 1 7.22 9.31 -2.09 12.75  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1988 0.1 -0.1 0.0  
MONTH TO DATE 0.0 0.5 -0.5 0.0  
SINCE SEP 1 0.0 0.5 -0.5 0.0  
SINCE JUL 1 0.0 0.5 -0.5 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 6 8 -2 0  
MONTH TO DATE 35 89 -54 56  
SINCE SEP 1 35 89 -54 56  
SINCE JUL 1 73 134 -61 109  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 51 28 23 19  
SINCE SEP 1 51 28 23 19  
SINCE JAN 1 526 440 86 341    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 44 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 60 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 25.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 56 5:00 AM  
LOWEST 26 2:00 PM  
AVERAGE 41  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 92 2010  
MINIMUM TEMPERATURE (F) 41 23 1965  
 
SUNRISE AND SUNSET  
SEPTEMBER 19 2024.....SUNRISE 6:51 AM MDT SUNSET 7:07 PM MDT  
SEPTEMBER 20 2024.....SUNRISE 6:52 AM MDT SUNSET 7:06 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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