859  
CDUS45 KRIW 110746  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
146 AM MDT FRI AUG 11 2023  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR AUGUST 10 2023
 
 
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)  
YESTERDAY  
MAXIMUM 87 4:01 PM 101 2022 88 -1 101  
MINIMUM 55 11:43 PM 39 2002 53 2 52  
AVERAGE 71 71 0  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.17 1941 0.03 -0.03 0.00  
MONTH TO DATE 0.84 0.32 0.52 0.21  
SINCE JUN 1 5.46 2.85 2.61 0.73  
SINCE JAN 1 12.31 8.36 3.95 8.61  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 2020 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE JUN 1 0.0 0.1 -0.1 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 13 0 13 0  
SINCE JUN 1 183 140 43 126  
SINCE JUL 1 36 14 22 1  
 
COOLING  
YESTERDAY 6 6 0 12  
MONTH TO DATE 20 66 -46 89  
SINCE JUN 1 206 317 -111 383  
SINCE JAN 1 206 321 -115 383    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 10.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80 11:00 PM  
LOWEST 19 5:00 PM  
AVERAGE 50  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 99 2000  
MINIMUM TEMPERATURE (F) 53 39 2004  
 
SUNRISE AND SUNSET  
AUGUST 11 2023........SUNRISE 6:07 AM MDT SUNSET 8:14 PM MDT  
AUGUST 12 2023........SUNRISE 6:09 AM MDT SUNSET 8:12 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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