318  
CDUS45 KRIW 230726  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
126 AM MDT MON SEP 23 2024  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR SEPTEMBER 22 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 3:54 PM 87 1966 72 4 73  
1992  
2007  
MINIMUM 30 5:11 AM 25 2000 40 -10 43  
AVERAGE 53 56 -3  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.60 1976 0.03 -0.03 0.04  
MONTH TO DATE 0.24 0.62 -0.38 0.59  
SINCE SEP 1 0.24 0.62 -0.38 0.59  
SINCE JAN 1 7.22 9.45 -2.23 12.80  
 
SNOWFALL (IN)  
YESTERDAY 0.0 6.0 2000 0.1 -0.1 0.0  
MONTH TO DATE 0.0 0.8 -0.8 0.0  
SINCE SEP 1 0.0 0.8 -0.8 0.0  
SINCE JUL 1 0.0 0.8 -0.8 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 12 9 3 7  
MONTH TO DATE 73 123 -50 76  
SINCE SEP 1 73 123 -50 76  
SINCE JUL 1 111 168 -57 129  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 51 29 22 19  
SINCE SEP 1 51 29 22 19  
SINCE JAN 1 526 441 85 341    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 6.9  
 
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 81 4:00 AM  
LOWEST 18 4:00 PM  
AVERAGE 50  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 90 1992  
MINIMUM TEMPERATURE (F) 40 24 2000  
 
SUNRISE AND SUNSET  
SEPTEMBER 23 2024.....SUNRISE 6:55 AM MDT SUNSET 7:00 PM MDT  
SEPTEMBER 24 2024.....SUNRISE 6:56 AM MDT SUNSET 6:58 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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