942  
CDUS45 KRIW 260727  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
127 AM MDT THU SEP 26 2024  
   
...............................  
 
   
..THE CASPER WY CLIMATE SUMMARY FOR SEPTEMBER 25 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 4:12 PM 90 2014 71 17 81  
MINIMUM 42 6:18 AM 20 1984 39 3 39  
AVERAGE 65 55 10  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.21 1967 0.04 -0.04 0.00  
MONTH TO DATE 0.24 0.74 -0.50 0.59  
SINCE SEP 1 0.24 0.74 -0.50 0.59  
SINCE JAN 1 7.22 9.57 -2.35 12.80  
 
SNOWFALL (IN)  
YESTERDAY 0.0 1.5 1996 0.1 -0.1 0.0  
MONTH TO DATE 0.0 1.0 -1.0 0.0  
SINCE SEP 1 0.0 1.0 -1.0 0.0  
SINCE JUL 1 0.0 1.0 -1.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 10 -10 5  
MONTH TO DATE 85 153 -68 102  
SINCE SEP 1 85 153 -68 102  
SINCE JUL 1 123 198 -75 155  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 51 29 22 19  
SINCE SEP 1 51 29 22 19  
SINCE JAN 1 526 441 85 341    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 11.1  
 
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 65 6:00 AM  
LOWEST 14 3:00 PM  
AVERAGE 40  
   
......................................................  
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 91 2015  
MINIMUM TEMPERATURE (F) 38 21 1972  
 
SUNRISE AND SUNSET  
SEPTEMBER 26 2024.....SUNRISE 6:58 AM MDT SUNSET 6:55 PM MDT  
SEPTEMBER 27 2024.....SUNRISE 6:59 AM MDT SUNSET 6:53 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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