996  
CDUS45 KRIW 140731  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
131 AM MDT SAT JUN 14 2025  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR JUNE 13 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 87 2:16 PM 95 1994 79 8 87  
2006  
MINIMUM 49 4:24 AM 28 1969 45 4 48  
AVERAGE 68 62 6  
 
PRECIPITATION (IN)  
YESTERDAY T 1.26 1983 0.04 -0.04 0.00  
MONTH TO DATE 0.50 0.66 -0.16 0.49  
SINCE JUN 1 0.50 0.66 -0.16 0.49  
SINCE JAN 1 5.42 6.17 -0.75 5.75  
 
SNOWFALL (IN)  
YESTERDAY 0.0 3.0 1969 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 0 5 -5 0  
MONTH TO DATE 69 80 -11 24  
SINCE JUN 1 69 80 -11 24  
SINCE JUL 1 7000 7440 -440 6971  
 
COOLING  
YESTERDAY 3 1 2 3  
MONTH TO DATE 11 12 -1 25  
SINCE JUN 1 11 12 -1 25  
SINCE JAN 1 11 16 -5 28    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 6.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 3:00 AM  
LOWEST 25 2:00 PM  
AVERAGE 59  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 99 2021  
MINIMUM TEMPERATURE (F) 45 30 1969  
 
SUNRISE AND SUNSET  
JUNE 14 2025..........SUNRISE 5:26 AM MDT SUNSET 8:46 PM MDT  
JUNE 15 2025..........SUNRISE 5:26 AM MDT SUNSET 8:47 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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