757  
CDUS45 KRIW 280045  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
645 PM MDT WED AUG 27 2025  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR AUGUST 27 2025
 
 
VALID TODAY AS OF 0600 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1939 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 70 1:28 AM 96 1995 84 -14 84  
2011  
2012  
MINIMUM 59 7:42 AM 37 1976 49 10 46  
AVERAGE 65 66 -1 65  
 
PRECIPITATION (IN)  
TODAY 0.28R 0.24 1978 0.02 0.26 0.00  
MONTH TO DATE 0.51 0.71 -0.20 0.39  
SINCE JUN 1 2.18 3.24 -1.06 1.72  
SINCE JAN 1 7.10 8.75 -1.65 6.98  
 
SNOWFALL (IN)  
TODAY MM 0.0 MM 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE JUN 1 0.0 0.1 -0.1 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 0 2 -2 0  
MONTH TO DATE 4 19 -15 10  
SINCE JUN 1 100 159 -59 80  
SINCE JUL 1 9 33 -24 26  
 
COOLING  
TODAY 0 3 -3 0  
MONTH TO DATE 143 144 -1 179  
SINCE JUN 1 445 395 50 467  
SINCE JAN 1 445 399 46 470    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 10.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93  
LOWEST 55  
AVERAGE 74  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 95 1995  
2012  
MINIMUM TEMPERATURE (F) 48 34 2004  
 
SUNRISE AND SUNSET  
AUGUST 27 2025........SUNRISE 6:25 AM MDT SUNSET 7:48 PM MDT  
AUGUST 28 2025........SUNRISE 6:26 AM MDT SUNSET 7:47 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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