056  
CDUS45 KRIW 230730  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
130 AM MDT WED JUL 23 2025  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR JULY 22 2025
 
 
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)  
YESTERDAY  
MAXIMUM 95 3:00 PM 103 2005 90 5 87  
MINIMUM 64 5:10 AM 44 1978 54 10 49  
AVERAGE 80 72 8  
 
PRECIPITATION (IN)  
YESTERDAY T 1.78 1983 0.04 -0.04 0.00  
MONTH TO DATE 0.45 0.86 -0.41 0.41  
SINCE JUN 1 0.98 2.20 -1.22 1.21  
SINCE JAN 1 5.90 7.71 -1.81 6.47  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 2020 0.0 0.0 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 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 5 9 -4 16  
SINCE JUN 1 96 135 -39 70  
SINCE JUL 1 5 9 -4 16  
 
COOLING  
YESTERDAY 15 8 7 3  
MONTH TO DATE 167 131 36 122  
SINCE JUN 1 242 182 60 225  
SINCE JAN 1 242 186 56 228    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 11.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 75 10:00 PM  
LOWEST 14 6:00 PM  
AVERAGE 45  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 90 100 2000  
2006  
2014  
MINIMUM TEMPERATURE (F) 55 43 1972  
 
SUNRISE AND SUNSET  
JULY 23 2025..........SUNRISE 5:48 AM MDT SUNSET 8:36 PM MDT  
JULY 24 2025..........SUNRISE 5:49 AM MDT SUNSET 8:35 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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