523  
CDUS45 KRIW 210733  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
133 AM MDT WED JUN 21 2023  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR JUNE 20 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 79 4:18 PM 97 1988 82 -3 75  
MINIMUM 46 11:46 PM 37 1973 46 0 43  
1996  
AVERAGE 63 64 -1  
 
PRECIPITATION (IN)  
YESTERDAY T 0.68 1947 0.04 -0.04 T  
MONTH TO DATE 2.76 0.95 1.81 0.21  
SINCE JUN 1 2.76 0.95 1.81 0.21  
SINCE JAN 1 9.61 6.46 3.15 8.09  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 2020 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.1 -0.1 0.0  
SINCE JUN 1 0.0 0.1 -0.1 0.0  
SINCE JUL 1 134.3 71.8 62.5 98.5  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 2 3 -1 6  
MONTH TO DATE 103 105 -2 103  
SINCE JUN 1 103 105 -2 103  
SINCE JUL 1 8041 7465 576 7273  
 
COOLING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 2 24 -22 35  
SINCE JUN 1 2 24 -22 35  
SINCE JAN 1 2 28 -26 35    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 39 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 57 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 5.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 11:00 PM  
LOWEST 28 12:00 AM  
AVERAGE 64  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 100 2016  
MINIMUM TEMPERATURE (F) 47 37 1960  
2012  
 
SUNRISE AND SUNSET  
JUNE 21 2023..........SUNRISE 5:27 AM MDT SUNSET 8:48 PM MDT  
JUNE 22 2023..........SUNRISE 5:27 AM MDT SUNSET 8:48 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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