918  
CDUS45 KRIW 010030  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
630 PM MDT MON SEP 30 2024  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR SEPTEMBER 30 2024
 
 
VALID TODAY AS OF 0600 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 65 2:29 AM 88 1980 68 -3 85  
MINIMUM 43 6:28 AM 17 1985 37 6 34  
AVERAGE 54 52 2 60  
 
PRECIPITATION (IN)  
TODAY 0.00 0.66 1982 0.04 -0.04 T  
MONTH TO DATE 0.24 0.95 -0.71 0.59  
SINCE SEP 1 0.24 0.95 -0.71 0.59  
SINCE JAN 1 7.22 9.78 -2.56 12.80  
 
SNOWFALL (IN)  
TODAY 0.0 0.1 -0.1 0.0  
MONTH TO DATE 0.0 1.5 -1.5 0.0  
SINCE SEP 1 0.0 1.5 -1.5 0.0  
SINCE JUL 1 0.0 1.5 -1.5 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 11 13 -2 5  
MONTH TO DATE 97 213 -116 127  
SINCE SEP 1 97 213 -116 127  
SINCE JUL 1 135 258 -123 180  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 63 30 33 20  
SINCE SEP 1 63 30 33 20  
SINCE JAN 1 538 442 96 342    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 12.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 42  
LOWEST 14  
AVERAGE 28  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 87 1992  
MINIMUM TEMPERATURE (F) 36 20 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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