116  
CDUS45 KBYZ 230940  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
340 AM MDT MON OCT 23 2023  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR OCTOBER 22 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 60 331 PM 80 1939 56 4 50  
MINIMUM 41 539 AM 20 2002 35 6 41  
2020  
AVERAGE 51 45 6 46  
 
PRECIPITATION (IN)  
YESTERDAY 0.09 0.31 1975 0.04 0.05 0.17  
MONTH TO DATE 1.34 1.08 0.26 0.61  
SINCE OCT 1 1.34 1.08 0.26 0.61  
SINCE JAN 1 16.41 12.85 3.56 13.84  
 
SNOWFALL (IN)  
YESTERDAY 0.0 4.0 1955 0.1 -0.1 0.0  
MONTH TO DATE 0.0 2.9 -2.9 0.0  
SINCE SEP 1 0.0 3.2 -3.2 T  
SINCE JUL 1 T 3.2 -3.2 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 14 20 -6 19  
MONTH TO DATE 214 337 -123 205  
SINCE SEP 1 290 505 -215 271  
SINCE JUL 1 306 541 -235 277  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 3 1 2 0  
SINCE SEP 1 83 63 20 137  
SINCE JAN 1 715 658 57 910    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 10.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 400 AM  
LOWEST 45 300 PM  
AVERAGE 64  
   
......................................................
 
 
THE BILLINGS MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 55 80 1939  
MINIMUM TEMPERATURE (F) 34 10 2020  
 
SUNRISE AND SUNSET  
OCTOBER 23 2023.......SUNRISE 741 AM MDT SUNSET 615 PM MDT  
OCTOBER 24 2023.......SUNRISE 743 AM MDT SUNSET 613 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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