683  
CDUS45 KRIW 010028  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
628 PM MDT THU AUG 31 2023  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR AUGUST 31 2023
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1939 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 89 3:46 PM 94 1954 83 6 91  
2007  
MINIMUM 36 4:17 AM 33 1965 47 -11 50  
1977  
2020  
AVERAGE 63 65 -2 71  
 
PRECIPITATION (IN)  
TODAY 0.00 0.14 1972 0.02 -0.02 0.00  
MONTH TO DATE 1.01 0.79 0.22 1.99  
SINCE JUN 1 5.63 3.32 2.31 2.51  
SINCE JAN 1 12.48 8.83 3.65 10.39  
 
SNOWFALL (IN)  
TODAY 0.0 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 T  
SINCE JUN 1 0.0 0.1 -0.1 T  
SINCE JUL 1 0.0 0.0 0.0 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 2 3 -1 0  
MONTH TO DATE 30 28 2 1  
SINCE JUN 1 200 168 32 127  
SINCE JUL 1 53 42 11 2  
 
COOLING  
TODAY 0 3 -3 6  
MONTH TO DATE 136 157 -21 182  
SINCE JUN 1 322 408 -86 476  
SINCE JAN 1 322 412 -90 476    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 42 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 12.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 79  
LOWEST 9  
AVERAGE 44  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 97 1995  
MINIMUM TEMPERATURE (F) 47 32 1965  
 
SUNRISE AND SUNSET  
AUGUST 31 2023........SUNRISE 6:29 AM MDT SUNSET 7:42 PM MDT  
SEPTEMBER 1 2023.....SUNRISE 6:30 AM MDT SUNSET 7:41 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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