974  
CDUS45 KRIW 020730  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
130 AM MDT MON JUN 02 2025  
   
...............................  
 
   
..THE CASPER WY CLIMATE SUMMARY FOR JUNE 1 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 92R 3:11 PM 91 2020 74 18 79  
MINIMUM 44 2:13 AM 30 1951 42 2 36  
AVERAGE 68 58 10  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 0.69 1991 0.06 -0.04 0.01  
MONTH TO DATE 0.02 0.06 -0.04 0.01  
SINCE JUN 1 0.02 0.06 -0.04 0.01  
SINCE JAN 1 4.94 5.57 -0.63 5.27  
 
SNOWFALL (IN)  
YESTERDAY MM 1.5 1951 0.0 MM 0.0  
MONTH TO DATE MM 0.0 MM 0.0  
SINCE JUN 1 MM 0.0 MM 0.0  
SINCE JUL 1 26.5 71.7 -45.2 42.5  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 8 -8 7  
MONTH TO DATE 0 8 -8 7  
SINCE JUN 1 0 8 -8 7  
SINCE JUL 1 6931 7368 -437 6954  
 
COOLING  
YESTERDAY 3 0 3 0  
MONTH TO DATE 3 0 3 0  
SINCE JUN 1 3 0 3 0  
SINCE JAN 1 3 4 -1 3    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 38 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 52 HIGHEST GUST DIRECTION N (360)  
AVERAGE WIND SPEED 8.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 1:00 AM  
LOWEST 10 4:00 PM  
AVERAGE 46  
   
......................................................  
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 92 2006  
MINIMUM TEMPERATURE (F) 42 28 1951  
 
SUNRISE AND SUNSET  
JUNE 2 2025..........SUNRISE 5:29 AM MDT SUNSET 8:39 PM MDT  
JUNE 3 2025..........SUNRISE 5:29 AM MDT SUNSET 8:40 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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