590  
CDUS45 KBYZ 172231  
CLISHR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
431 PM MDT WED SEP 17 2025  
   
...............................  
 
   
..THE SHERIDAN WY CLIMATE SUMMARY FOR SEPTEMBER 17 2025  
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1907 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 61 1148 AM 93 1920 75 -14 81  
MINIMUM 43 547 AM 24 1965 42 1 50  
AVERAGE 52 59 -7 66  
 
PRECIPITATION (IN)  
TODAY 0.02 0.60 1945 0.05 -0.03 0.04  
MONTH TO DATE 0.12 0.73 -0.61 0.23  
SINCE OCT 1 16.48 14.19 2.29 12.38  
SINCE JAN 1 14.69 11.32 3.37 8.73  
 
DEGREE DAYS  
HEATING  
TODAY 13 7 6 0  
MONTH TO DATE 67 84 -17 12  
SINCE SEP 1 67 84 -17 12  
SINCE JUL 1 90 143 -53 51  
 
COOLING  
TODAY 0 1 -1 1  
MONTH TO DATE 23 29 -6 73  
SINCE SEP 1 23 29 -6 73  
SINCE JAN 1 393 435 -42 632    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 7.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
RAIN  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 1200 AM  
LOWEST 69 1100 AM  
AVERAGE 83  
   
......................................................  
 
THE SHERIDAN WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 94 1914  
1984  
2021  
MINIMUM TEMPERATURE (F) 42 15 1965  
 
SUNRISE AND SUNSET  
SEPTEMBER 17 2025.....SUNRISE 649 AM MDT SUNSET 714 PM MDT  
SEPTEMBER 18 2025.....SUNRISE 651 AM MDT SUNSET 712 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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