110  
CDUS45 KBYZ 010935  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
335 AM MDT SUN OCT 01 2023  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR SEPTEMBER 30 2023
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1934 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 68 347 PM 90 1963 67 1 64  
MINIMUM 47 652 AM 23 1985 44 3 51  
AVERAGE 58 55 3 58  
 
PRECIPITATION (IN)  
YESTERDAY T 0.54 2022 0.05 -0.05 0.54  
MONTH TO DATE 0.57 1.36 -0.79 1.17  
SINCE OCT 1 17.12 14.31 2.81 15.99  
SINCE JAN 1 15.07 11.77 3.30 13.23  
 
SNOWFALL (IN)  
YESTERDAY 0.0 2.4 1950 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.3 -0.3 T  
SINCE SEP 1 0.0 0.3 -0.3 T  
SINCE JUL 1 T 0.3 -0.3 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 7 10 -3 7  
MONTH TO DATE 76 168 -92 66  
SINCE SEP 1 76 168 -92 66  
SINCE JUL 1 92 204 -112 72  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 80 62 18 137  
SINCE SEP 1 80 62 18 137  
SINCE JAN 1 712 657 55 910    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 8.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 71 1000 PM  
LOWEST 43 100 PM  
AVERAGE 57  
   
......................................................
 
 
THE BILLINGS MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 91 2011  
MINIMUM TEMPERATURE (F) 43 23 1950  
 
SUNRISE AND SUNSET  
OCTOBER 1 2023.......SUNRISE 712 AM MDT SUNSET 654 PM MDT  
OCTOBER 2 2023.......SUNRISE 714 AM MDT SUNSET 653 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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