041  
CDUS45 KBYZ 130940  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
340 AM MDT WED SEP 13 2023  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR SEPTEMBER 12 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 85 351 PM 93 1981 76 9 87  
1990  
2015  
MINIMUM 51 431 AM 30 1970 50 1 58  
2014  
AVERAGE 68 63 5 73  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.06 1993 0.04 -0.04 0.00  
MONTH TO DATE 0.11 0.50 -0.39 0.43  
SINCE OCT 1 16.66 13.45 3.21 15.25  
SINCE JAN 1 14.61 10.91 3.70 12.49  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.4 1970 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 4 -4 0  
MONTH TO DATE 8 38 -30 20  
SINCE SEP 1 8 38 -30 20  
SINCE JUL 1 24 74 -50 26  
 
COOLING  
YESTERDAY 3 2 1 8  
MONTH TO DATE 48 38 10 112  
SINCE SEP 1 48 38 10 112  
SINCE JAN 1 680 633 47 885    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 5.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 71 700 AM  
LOWEST 26 100 PM  
AVERAGE 49  
   
......................................................
 
 
THE BILLINGS MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 92 1959  
2015  
MINIMUM TEMPERATURE (F) 50 29 1970  
 
SUNRISE AND SUNSET  
SEPTEMBER 13 2023.....SUNRISE 650 AM MDT SUNSET 729 PM MDT  
SEPTEMBER 14 2023.....SUNRISE 651 AM MDT SUNSET 727 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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