458  
CDUS45 KBYZ 122231  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
431 PM MDT THU SEP 12 2024  
   
...............................  
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR SEPTEMBER 12 2024  
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1934 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 68 227 PM 93 1981 76 -8 85  
1990  
2015  
MINIMUM 53 600 AM 30 1970 50 3 51  
2014  
AVERAGE 61 63 -2 68  
 
PRECIPITATION (IN)  
TODAY 0.29 1.06 1993 0.04 0.25 0.00  
MONTH TO DATE 0.40 0.50 -0.10 0.11  
SINCE OCT 1 11.73 13.45 -1.72 16.66  
SINCE JAN 1 9.34 10.91 -1.57 14.61  
 
SNOWFALL (IN)  
TODAY MM 0.4 1970 0.0 MM 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 MM  
 
DEGREE DAYS  
HEATING  
TODAY 4 4 0 0  
MONTH TO DATE 4 38 -34 8  
SINCE SEP 1 4 38 -34 8  
SINCE JUL 1 18 74 -56 24  
 
COOLING  
TODAY 0 2 -2 3  
MONTH TO DATE 76 38 38 48  
SINCE SEP 1 76 38 38 48  
SINCE JAN 1 743 633 110 680    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 9.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
HEAVY RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 700 AM  
LOWEST 46 300 PM  
AVERAGE 70  
   
......................................................  
 
THE BILLINGS MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 92 1959  
2015  
MINIMUM TEMPERATURE (F) 50 29 1970  
 
SUNRISE AND SUNSET  
SEPTEMBER 12 2024.....SUNRISE 649 AM MDT SUNSET 730 PM MDT  
SEPTEMBER 13 2024.....SUNRISE 651 AM MDT SUNSET 728 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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