327  
CDUS45 KBYZ 202231  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
431 PM MDT FRI OCT 20 2023  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR OCTOBER 20 2023
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 81 259 PM 82 1947 57 24 80  
MINIMUM 54 722 AM 20 1949 35 19 48  
AVERAGE 68 46 22 64  
 
PRECIPITATION (IN)  
TODAY 0.00 0.53 1949 0.04 -0.04 0.00  
MONTH TO DATE 1.25 1.00 0.25 0.39  
SINCE OCT 1 1.25 1.00 0.25 0.39  
SINCE JAN 1 16.32 12.77 3.55 13.62  
 
SNOWFALL (IN)  
TODAY 0.0 9.3 1949 0.1 -0.1 0.0  
MONTH TO DATE 0.0 2.6 -2.6 0.0  
SINCE SEP 1 0.0 2.9 -2.9 T  
SINCE JUL 1 T 2.9 -2.9 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 19 -19 1  
MONTH TO DATE 185 298 -113 177  
SINCE SEP 1 261 466 -205 243  
SINCE JUL 1 277 502 -225 249  
 
COOLING  
TODAY 3 0 3 0  
MONTH TO DATE 4 1 3 0  
SINCE SEP 1 84 63 21 137  
SINCE JAN 1 716 658 58 910    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 14.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 47 300 AM  
LOWEST 18 300 PM  
AVERAGE 33  
   
......................................................
 
 
THE BILLINGS MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 56 85 2003  
MINIMUM TEMPERATURE (F) 35 19 1949  
1981  
1984  
 
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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