279  
CDUS45 KBYZ 010930  
CLISHR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
330 AM MDT WED OCT 01 2025  
   
...............................  
 
   
..THE SHERIDAN WY CLIMATE SUMMARY FOR SEPTEMBER 30 2025  
 
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)  
YESTERDAY  
MAXIMUM 85 1219 PM 91 1963 68 17 64  
1989  
MINIMUM 42 602 AM 18 1985 38 4 33  
AVERAGE 64 53 11 49  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.94 1923 0.06 -0.06 T  
MONTH TO DATE 0.12 1.47 -1.35 0.39  
SINCE OCT 1 16.48 14.93 1.55 12.54  
SINCE JAN 1 14.69 12.06 2.63 8.89  
 
DEGREE DAYS  
HEATING  
YESTERDAY 1 12 -11 16  
MONTH TO DATE 109 212 -103 67  
SINCE SEP 1 109 212 -103 67  
SINCE JUL 1 132 271 -139 106  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 26 34 -8 110  
SINCE SEP 1 26 34 -8 110  
SINCE JAN 1 396 440 -44 669    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 6.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 500 AM  
LOWEST 22 300 PM  
AVERAGE 56  
   
......................................................  
 
THE SHERIDAN WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 93 2011  
MINIMUM TEMPERATURE (F) 37 22 1985  
 
SUNRISE AND SUNSET  
OCTOBER 1 2025.......SUNRISE 706 AM MDT SUNSET 648 PM MDT  
OCTOBER 2 2025.......SUNRISE 707 AM MDT SUNSET 646 PM MDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab MT Page
The Nexlab WY Page
Main Text Page