874  
CDUS45 KRIW 160045  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
645 PM MDT SUN JUN 15 2025  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR JUNE 15 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 95 2:21 PM 101 2021 79 16 90  
MINIMUM 48 4:45 AM 35 1945 45 3 47  
AVERAGE 72 62 10 69  
 
PRECIPITATION (IN)  
TODAY 0.00 0.60 1967 0.05 -0.05 T  
MONTH TO DATE 0.50 0.75 -0.25 0.49  
SINCE JUN 1 0.50 0.75 -0.25 0.49  
SINCE JAN 1 5.42 6.26 -0.84 5.75  
 
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 26.5 71.8 -45.3 42.5  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 0 4 -4 0  
MONTH TO DATE 69 88 -19 24  
SINCE JUN 1 69 88 -19 24  
SINCE JUL 1 7000 7448 -448 6971  
 
COOLING  
TODAY 7 1 6 4  
MONTH TO DATE 26 14 12 35  
SINCE JUN 1 26 14 12 35  
SINCE JAN 1 26 18 8 38    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 7.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93  
LOWEST 9  
AVERAGE 51  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 96 2021  
MINIMUM TEMPERATURE (F) 45 33 2022  
 
SUNRISE AND SUNSET  
JUNE 15 2025..........SUNRISE 5:26 AM MDT SUNSET 8:47 PM MDT  
JUNE 16 2025..........SUNRISE 5:27 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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