169  
CDUS45 KBYZ 200940  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
340 AM MDT FRI OCT 20 2023  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR OCTOBER 19 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 81 336 PM 84 2003 57 24 77  
MINIMUM 51 711 AM 20 1949 36 15 45  
AVERAGE 66 46 20 61  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.05 1957 0.04 -0.04 0.00  
MONTH TO DATE 1.25 0.96 0.29 0.39  
SINCE OCT 1 1.25 0.96 0.29 0.39  
SINCE JAN 1 16.32 12.73 3.59 13.62  
 
SNOWFALL (IN)  
YESTERDAY 0.0 3.8 1949 0.2 -0.2 0.0  
MONTH TO DATE 0.0 2.5 -2.5 0.0  
SINCE SEP 1 0.0 2.8 -2.8 T  
SINCE JUL 1 T 2.8 -2.8 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 19 -19 4  
MONTH TO DATE 185 279 -94 176  
SINCE SEP 1 261 447 -186 242  
SINCE JUL 1 277 483 -206 248  
 
COOLING  
YESTERDAY 1 0 1 0  
MONTH TO DATE 1 1 0 0  
SINCE SEP 1 81 63 18 137  
SINCE JAN 1 713 658 55 910    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 15.3  
 
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 46 700 AM  
LOWEST 17 400 PM  
AVERAGE 32  
   
......................................................
 
 
THE BILLINGS MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 57 82 1947  
MINIMUM TEMPERATURE (F) 35 20 1949  
 
SUNRISE AND SUNSET  
OCTOBER 20 2023.......SUNRISE 737 AM MDT SUNSET 620 PM MDT  
OCTOBER 21 2023.......SUNRISE 739 AM MDT SUNSET 618 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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