041  
CDUS45 KRIW 240045  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
645 PM MDT TUE JUN 23 2026  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR JUNE 23 2026
 
 
VALID TODAY AS OF 0600 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1939 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 80 4:20 PM 101 1954 83 -3 80  
MINIMUM 54 6:17 AM 32 2025 47 7 32  
AVERAGE 67 65 2 56  
 
PRECIPITATION (IN)  
TODAY 0.00 0.95 1989 0.04 -0.04 0.00  
MONTH TO DATE 0.07 1.07 -1.00 0.52  
SINCE JUN 1 0.07 1.07 -1.00 0.52  
SINCE JAN 1 3.72 6.58 -2.86 5.44  
 
SNOWFALL (IN)  
TODAY MM 0.0 MM 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 29.6 71.8 -42.2 26.5  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 0 2 -2 9  
MONTH TO DATE 84 113 -29 87  
SINCE JUN 1 84 113 -29 87  
SINCE JUL 1 5832 7473 -1641 7018  
 
COOLING  
TODAY 2 2 0 0  
MONTH TO DATE 20 30 -10 51  
SINCE JUN 1 20 30 -10 51  
SINCE JAN 1 21 34 -13 51    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 9.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90  
LOWEST 29  
AVERAGE 60  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 102 1988  
MINIMUM TEMPERATURE (F) 47 37 2017  
 
SUNRISE AND SUNSET  
JUNE 23 2026..........SUNRISE 5:28 AM MDT SUNSET 8:49 PM MDT  
JUNE 24 2026..........SUNRISE 5:28 AM MDT SUNSET 8:49 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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