536  
CDUS45 KRIW 170729  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
129 AM MDT TUE SEP 17 2024  
   
...............................  
 
   
..THE CASPER WY CLIMATE SUMMARY FOR SEPTEMBER 16 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 88 2:31 PM 94 2000 76 12 80  
MINIMUM 41 5:41 AM 19 1965 42 -1 43  
AVERAGE 65 59 6  
 
PRECIPITATION (IN)  
YESTERDAY T 0.56 2006 0.03 -0.03 0.00  
MONTH TO DATE 0.17 0.42 -0.25 0.54  
SINCE SEP 1 0.17 0.42 -0.25 0.54  
SINCE JAN 1 7.15 9.25 -2.10 12.75  
 
SNOWFALL (IN)  
YESTERDAY 0.0 2.1 1965 0.1 -0.1 0.0  
MONTH TO DATE 0.0 0.4 -0.4 0.0  
SINCE SEP 1 0.0 0.4 -0.4 0.0  
SINCE JUL 1 0.0 0.4 -0.4 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 7 -7 3  
MONTH TO DATE 25 74 -49 54  
SINCE SEP 1 25 74 -49 54  
SINCE JUL 1 63 119 -56 107  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 51 26 25 19  
SINCE SEP 1 51 26 25 19  
SINCE JAN 1 526 438 88 341    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 33 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 45 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 9.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 68 5:00 AM  
LOWEST 14 4:00 PM  
AVERAGE 41  
   
......................................................  
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 89 2000  
MINIMUM TEMPERATURE (F) 42 19 1965  
 
SUNRISE AND SUNSET  
SEPTEMBER 17 2024.....SUNRISE 6:48 AM MDT SUNSET 7:11 PM MDT  
SEPTEMBER 18 2024.....SUNRISE 6:49 AM MDT SUNSET 7:09 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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