870  
CDUS45 KRIW 300726  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
126 AM MDT MON SEP 30 2024  
   
...............................  
 
   
..THE CASPER WY CLIMATE SUMMARY FOR SEPTEMBER 29 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 91R 1:28 PM 86 2009 68 23 80  
MINIMUM 50 6:26 AM 18 1984 37 13 36  
AVERAGE 71 53 18  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.50 1995 0.04 -0.04 0.00  
2021  
MONTH TO DATE 0.24 0.91 -0.67 0.59  
SINCE SEP 1 0.24 0.91 -0.67 0.59  
SINCE JAN 1 7.22 9.74 -2.52 12.80  
 
SNOWFALL (IN)  
YESTERDAY 0.0 2.7 1961 0.1 -0.1 0.0  
MONTH TO DATE 0.0 1.4 -1.4 0.0  
SINCE SEP 1 0.0 1.4 -1.4 0.0  
SINCE JUL 1 0.0 1.4 -1.4 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 12 -12 7  
MONTH TO DATE 86 200 -114 122  
SINCE SEP 1 86 200 -114 122  
SINCE JUL 1 124 245 -121 175  
 
COOLING  
YESTERDAY 6 0 6 0  
MONTH TO DATE 63 29 34 20  
SINCE SEP 1 63 29 34 20  
SINCE JAN 1 538 441 97 342    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 33 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 48 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 15.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 46 4:00 AM  
LOWEST 10 4:00 PM  
AVERAGE 28  
   
......................................................  
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 88 1980  
MINIMUM TEMPERATURE (F) 37 17 1985  
 
SUNRISE AND SUNSET  
SEPTEMBER 30 2024.....SUNRISE 7:03 AM MDT SUNSET 6:48 PM MDT  
OCTOBER 1 2024.......SUNRISE 7:04 AM MDT SUNSET 6:46 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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