155  
CDUS45 KRIW 170045  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
645 PM MDT MON JUN 16 2025  
   
...............................  
 
   
..THE CASPER WY CLIMATE SUMMARY FOR JUNE 16 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 85 1:12 PM 96 2021 80 5 86  
MINIMUM 50 5:04 AM 33 2022 45 5 47  
AVERAGE 68 63 5 67  
 
PRECIPITATION (IN)  
TODAY 0.02 2.12 2003 0.04 -0.02 0.00  
MONTH TO DATE 0.52 0.79 -0.27 0.49  
SINCE JUN 1 0.52 0.79 -0.27 0.49  
SINCE JAN 1 5.44 6.30 -0.86 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 92 -23 24  
SINCE JUN 1 69 92 -23 24  
SINCE JUL 1 7000 7452 -452 6971  
 
COOLING  
TODAY 3 2 1 2  
MONTH TO DATE 29 16 13 37  
SINCE JUN 1 29 16 13 37  
SINCE JAN 1 29 20 9 40    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 6.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96  
LOWEST 28  
AVERAGE 62  
   
......................................................  
 
THE CASPER WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 97 1940  
2022  
MINIMUM TEMPERATURE (F) 46 34 2000  
 
SUNRISE AND SUNSET  
JUNE 16 2025..........SUNRISE 5:27 AM MDT SUNSET 8:47 PM MDT  
JUNE 17 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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