411  
CDUS45 KRIW 090727  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
127 AM MDT MON SEP 09 2024  
   
...............................  
 
   
..THE CASPER WY CLIMATE SUMMARY FOR SEPTEMBER 8 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 90 1:53 PM 92 1994 80 10 88  
1998  
2005  
MINIMUM 43 5:46 AM 29 1962 45 -2 43  
2020  
AVERAGE 67 62 5  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.84 1989 0.03 -0.03 0.00  
MONTH TO DATE 0.15 0.19 -0.04 0.23  
SINCE SEP 1 0.15 0.19 -0.04 0.23  
SINCE JAN 1 7.13 9.02 -1.89 12.44  
 
SNOWFALL (IN)  
YESTERDAY 0.0 5.2 2020 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.1 -0.1 0.0  
SINCE SEP 1 0.0 0.1 -0.1 0.0  
SINCE JUL 1 0.0 0.1 -0.1 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 4 -4 0  
MONTH TO DATE 7 28 -21 10  
SINCE SEP 1 7 28 -21 10  
SINCE JUL 1 45 73 -28 63  
 
COOLING  
YESTERDAY 2 2 0 1  
MONTH TO DATE 31 17 14 19  
SINCE SEP 1 31 17 14 19  
SINCE JAN 1 506 429 77 341    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 3.7  
 
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 70 6:00 AM  
LOWEST 11 4:00 PM  
AVERAGE 41  
   
......................................................  
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 95 2021  
MINIMUM TEMPERATURE (F) 45 24 2020  
 
SUNRISE AND SUNSET  
SEPTEMBER 9 2024.....SUNRISE 6:40 AM MDT SUNSET 7:25 PM MDT  
SEPTEMBER 10 2024.....SUNRISE 6:41 AM MDT SUNSET 7:24 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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