308  
CDUS45 KRIW 220029  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
629 PM MDT WED JUN 21 2023  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR JUNE 21 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 63 4:28 PM 100 2016 82 -19 78  
MINIMUM 49 12:00 AM 37 1960 47 2 40  
2012  
AVERAGE 56 64 -8 59  
 
PRECIPITATION (IN)  
TODAY 0.00 0.34 1996 0.04 -0.04 0.00  
MONTH TO DATE 2.76 0.99 1.77 0.21  
SINCE JUN 1 2.76 0.99 1.77 0.21  
SINCE JAN 1 9.61 6.50 3.11 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 9 3 6 6  
MONTH TO DATE 112 108 4 109  
SINCE JUN 1 112 108 4 109  
SINCE JUL 1 8050 7468 582 7279  
 
COOLING  
TODAY 0 2 -2 0  
MONTH TO DATE 2 26 -24 35  
SINCE JUN 1 2 26 -24 35  
SINCE JAN 1 2 30 -28 35    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 9.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97  
LOWEST 72  
AVERAGE 85  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 98 1988  
MINIMUM TEMPERATURE (F) 47 34 1989  
 
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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