030  
CDUS45 KRIW 210729  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
129 AM MDT SAT SEP 21 2024  
   
...............................  
 
   
..THE CASPER WY CLIMATE SUMMARY FOR SEPTEMBER 20 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 81 2:40 PM 89 1956 74 7 76  
MINIMUM 38 1:55 AM 16 1983 41 -3 43  
AVERAGE 60 57 3  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.01 1989 0.04 -0.04 0.01  
MONTH TO DATE 0.24 0.55 -0.31 0.55  
SINCE SEP 1 0.24 0.55 -0.31 0.55  
SINCE JAN 1 7.22 9.38 -2.16 12.76  
 
SNOWFALL (IN)  
YESTERDAY 0.0 6.9 1995 0.1 -0.1 0.0  
MONTH TO DATE 0.0 0.6 -0.6 0.0  
SINCE SEP 1 0.0 0.6 -0.6 0.0  
SINCE JUL 1 0.0 0.6 -0.6 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 5 8 -3 5  
MONTH TO DATE 46 105 -59 62  
SINCE SEP 1 46 105 -59 62  
SINCE JUL 1 84 150 -66 115  
 
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 30 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 14.4  
 
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 62 2:00 AM  
LOWEST 13 4:00 PM  
AVERAGE 38  
   
......................................................  
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 85 1966  
MINIMUM TEMPERATURE (F) 40 21 1983  
 
SUNRISE AND SUNSET  
SEPTEMBER 21 2024.....SUNRISE 6:53 AM MDT SUNSET 7:04 PM MDT  
SEPTEMBER 22 2024.....SUNRISE 6:54 AM MDT SUNSET 7:02 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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