207  
CDUS45 KRIW 100736  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
136 AM MDT SAT JUN 10 2023  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR JUNE 9 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 12:16 PM 93 1973 77 -1 77  
2001  
2018  
MINIMUM 49 1:53 AM 27 2019 44 5 49  
AVERAGE 63 60 3  
 
PRECIPITATION (IN)  
YESTERDAY 0.33 1.06 1986 0.05 0.28 0.00  
MONTH TO DATE 1.74 0.49 1.25 0.21  
SINCE JUN 1 1.74 0.49 1.25 0.21  
SINCE JAN 1 8.59 6.00 2.59 8.09  
 
SNOWFALL (IN)  
YESTERDAY 0.0 2.1 1995 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 6 -4 2  
MONTH TO DATE 37 60 -23 71  
SINCE JUN 1 37 60 -23 71  
SINCE JUL 1 7975 7420 555 7241  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 0 8 -8 0  
SINCE JUN 1 0 8 -8 0  
SINCE JAN 1 0 12 -12 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 43 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 7.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 1:00 AM  
LOWEST 40 12:00 PM  
AVERAGE 68  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 94 1988  
MINIMUM TEMPERATURE (F) 44 25 2019  
 
SUNRISE AND SUNSET  
JUNE 10 2023..........SUNRISE 5:27 AM MDT SUNSET 8:44 PM MDT  
JUNE 11 2023..........SUNRISE 5:27 AM MDT SUNSET 8:45 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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