681  
CDUS45 KRIW 300731  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
131 AM MDT FRI JUN 30 2023  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR JUNE 29 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 76 1:53 PM 99 2002 85 -9 91  
2007  
MINIMUM 44 4:52 AM 38 1969 49 -5 56  
2008  
AVERAGE 60 67 -7  
 
PRECIPITATION (IN)  
YESTERDAY 0.44 0.55 1947 0.04 0.40 T  
MONTH TO DATE 3.27 1.30 1.97 0.21  
SINCE JUN 1 3.27 1.30 1.97 0.21  
SINCE JAN 1 10.12 6.81 3.31 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 5 2 3 0  
MONTH TO DATE 145 125 20 125  
SINCE JUN 1 145 125 20 125  
SINCE JUL 1 8083 7485 598 7295  
 
COOLING  
YESTERDAY 0 4 -4 9  
MONTH TO DATE 7 49 -42 50  
SINCE JUN 1 7 49 -42 50  
SINCE JAN 1 7 53 -46 50    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 42 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 5.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 12:00 AM  
LOWEST 45 2:00 PM  
AVERAGE 71  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 102 1990  
MINIMUM TEMPERATURE (F) 49 35 1968  
 
SUNRISE AND SUNSET  
JUNE 30 2023..........SUNRISE 5:30 AM MDT SUNSET 8:49 PM MDT  
JULY 1 2023..........SUNRISE 5:31 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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