999  
CDUS45 KRIW 160729  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
129 AM MDT MON JUN 16 2025  
   
...............................  
 
   
..THE CASPER WY CLIMATE SUMMARY FOR JUNE 15 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 2:21 PM 101 2021 79 16 90  
MINIMUM 48 4:45 AM 35 1945 45 3 47  
AVERAGE 72 62 10  
 
PRECIPITATION (IN)  
YESTERDAY 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)  
YESTERDAY 0.0 0.0 2021 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 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  
YESTERDAY 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 25 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 8.7  
 
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 93 3:00 AM  
LOWEST 9 1:00 PM  
AVERAGE 51  
   
......................................................  
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 96 2021  
MINIMUM TEMPERATURE (F) 45 33 2022  
 
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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