672  
CDUS45 KRIW 220733  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
133 AM MDT TUE AUG 22 2023  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR AUGUST 21 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 94 3:46 PM 95 1949 86 8 90  
1960  
MINIMUM 48 5:02 AM 38 2016 50 -2 48  
AVERAGE 71 68 3  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.28 1987 0.02 -0.02 0.00  
MONTH TO DATE 0.89 0.58 0.31 1.70  
SINCE JUN 1 5.51 3.11 2.40 2.22  
SINCE JAN 1 12.36 8.62 3.74 10.10  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 2020 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  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 25 9 16 0  
SINCE JUN 1 195 149 46 126  
SINCE JUL 1 48 23 25 1  
 
COOLING  
YESTERDAY 6 4 2 4  
MONTH TO DATE 92 122 -30 150  
SINCE JUN 1 278 373 -95 444  
SINCE JAN 1 278 377 -99 444    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 10.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 2:00 AM  
LOWEST 16 3:00 PM  
AVERAGE 58  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 97 2009  
2010  
MINIMUM TEMPERATURE (F) 50 36 1966  
 
SUNRISE AND SUNSET  
AUGUST 22 2023........SUNRISE 6:19 AM MDT SUNSET 7:57 PM MDT  
AUGUST 23 2023........SUNRISE 6:21 AM MDT SUNSET 7:56 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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