365  
CDUS45 KRIW 210031  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
631 PM MDT TUE JUN 20 2023  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR JUNE 20 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 79 4:18 PM 97 1988 82 -3 75  
MINIMUM 51 3:53 AM 37 1973 46 5 43  
1996  
AVERAGE 65 64 1 59  
 
PRECIPITATION (IN)  
TODAY 0.00 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)  
TODAY 0.0 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  
TODAY 0 3 -3 6  
MONTH TO DATE 101 105 -4 103  
SINCE JUN 1 101 105 -4 103  
SINCE JUL 1 8039 7465 574 7273  
 
COOLING  
TODAY 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 24 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 6.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93  
LOWEST 28  
AVERAGE 61  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 100 2016  
MINIMUM TEMPERATURE (F) 47 37 1960  
2012  
 
SUNRISE AND SUNSET  
JUNE 20 2023..........SUNRISE 5:27 AM MDT SUNSET 8:48 PM MDT  
JUNE 21 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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