815  
CDUS45 KRIW 130728  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
128 AM MDT FRI SEP 13 2024  
   
...............................  
 
   
..THE CASPER WY CLIMATE SUMMARY FOR SEPTEMBER 12 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 79 11:19 AM 94 1990 78 1 80  
MINIMUM 50 11:59 PM 25 2014 44 6 38  
AVERAGE 65 61 4  
 
PRECIPITATION (IN)  
YESTERDAY T 0.29 1957 0.03 -0.03 0.00  
MONTH TO DATE 0.17 0.30 -0.13 0.31  
SINCE SEP 1 0.17 0.30 -0.13 0.31  
SINCE JAN 1 7.15 9.13 -1.98 12.52  
 
SNOWFALL (IN)  
YESTERDAY MM 1.0 1949 0.0 MM 0.0  
MONTH TO DATE 0.0 0.2 -0.2 0.0  
SINCE SEP 1 0.0 0.2 -0.2 0.0  
SINCE JUL 1 0.0 0.2 -0.2 0.0  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 6 -6 6  
MONTH TO DATE 7 49 -42 30  
SINCE SEP 1 7 49 -42 30  
SINCE JUL 1 45 94 -49 83  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 51 22 29 19  
SINCE SEP 1 51 22 29 19  
SINCE JAN 1 526 434 92 341    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 15.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 49 2:00 AM  
LOWEST 17 2:00 PM  
AVERAGE 33  
   
......................................................  
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 89 1981  
2006  
MINIMUM TEMPERATURE (F) 43 23 1949  
 
SUNRISE AND SUNSET  
SEPTEMBER 13 2024.....SUNRISE 6:44 AM MDT SUNSET 7:18 PM MDT  
SEPTEMBER 14 2024.....SUNRISE 6:45 AM MDT SUNSET 7:16 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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