220  
CDUS45 KBYZ 090940  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
340 AM MDT SAT SEP 09 2023  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR SEPTEMBER 8 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 78 233 PM 99 1979 78 0 78  
MINIMUM 56 626 AM 32 1962 51 5 50  
AVERAGE 67 64 3 64  
 
PRECIPITATION (IN)  
YESTERDAY 0.05 0.53 1946 0.04 0.01 0.40  
MONTH TO DATE 0.10 0.32 -0.22 0.40  
SINCE OCT 1 16.65 13.27 3.38 15.22  
SINCE JAN 1 14.60 10.73 3.87 12.46  
 
SNOWFALL (IN)  
YESTERDAY 0.0 4.3 1962 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE SEP 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 T 0.0 0.0 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 3 -3 1  
MONTH TO DATE 3 22 -19 1  
SINCE SEP 1 3 22 -19 1  
SINCE JUL 1 19 58 -39 7  
 
COOLING  
YESTERDAY 2 3 -1 0  
MONTH TO DATE 45 28 17 101  
SINCE SEP 1 45 28 17 101  
SINCE JAN 1 677 623 54 874    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION N (360)  
AVERAGE WIND SPEED 8.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
MIXED PRECIP  
RAIN  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 75 1100 PM  
LOWEST 32 300 PM  
AVERAGE 54  
   
......................................................
 
 
THE BILLINGS MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 95 1998  
2005  
MINIMUM TEMPERATURE (F) 51 31 1962  
 
SUNRISE AND SUNSET  
SEPTEMBER 9 2023.....SUNRISE 645 AM MDT SUNSET 737 PM MDT  
SEPTEMBER 10 2023.....SUNRISE 646 AM MDT SUNSET 735 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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