382  
CDUS45 KRIW 240728  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
128 AM MDT TUE JUN 24 2025  
   
...............................  
 
   
..THE CASPER WY CLIMATE SUMMARY FOR JUNE 23 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 80 5:20 PM 101 1954 83 -3 98  
MINIMUM 32R 4:16 AM 38 1987 47 -15 54  
AVERAGE 56 65 -9  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.95 1989 0.04 -0.04 0.00  
MONTH TO DATE 0.52 1.07 -0.55 0.80  
SINCE JUN 1 0.52 1.07 -0.55 0.80  
SINCE JAN 1 5.44 6.58 -1.14 6.06  
 
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 26.5 71.8 -45.3 42.5  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 9 2 7 0  
MONTH TO DATE 87 113 -26 48  
SINCE JUN 1 87 113 -26 48  
SINCE JUL 1 7018 7473 -455 6995  
 
COOLING  
YESTERDAY 0 2 -2 11  
MONTH TO DATE 51 30 21 59  
SINCE JUN 1 51 30 21 59  
SINCE JAN 1 51 34 17 62    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 6.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 4:00 AM  
LOWEST 11 5:00 PM  
AVERAGE 54  
   
......................................................  
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 102 1988  
MINIMUM TEMPERATURE (F) 47 37 2017  
 
SUNRISE AND SUNSET  
JUNE 24 2025..........SUNRISE 5:28 AM MDT SUNSET 8:49 PM MDT  
JUNE 25 2025..........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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