799  
CDUS45 KBYZ 232240  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
440 PM MDT SAT SEP 23 2023  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR SEPTEMBER 23 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 64 226 PM 91 1966 71 -7 77  
1992  
2011  
MINIMUM 49 711 AM 23 1984 46 3 56  
AVERAGE 57 58 -1 67  
 
PRECIPITATION (IN)  
TODAY 0.05 0.84 2007 0.05 0.00 0.00  
MONTH TO DATE 0.57 1.01 -0.44 0.63  
SINCE OCT 1 17.12 13.96 3.16 15.45  
SINCE JAN 1 15.07 11.42 3.65 12.69  
 
SNOWFALL (IN)  
TODAY MM 6.2 1984 0.0 MM 0.0  
MONTH TO DATE 0.0 0.1 -0.1 T  
SINCE SEP 1 0.0 0.1 -0.1 T  
SINCE JUL 1 T 0.1 -0.1 T  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 8 8 0 0  
MONTH TO DATE 46 104 -58 55  
SINCE SEP 1 46 104 -58 55  
SINCE JUL 1 62 140 -78 61  
 
COOLING  
TODAY 0 1 -1 2  
MONTH TO DATE 75 56 19 124  
SINCE SEP 1 75 56 19 124  
SINCE JAN 1 707 651 56 897    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 11.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 600 AM  
LOWEST 63 300 PM  
AVERAGE 80  
   
......................................................
 
 
THE BILLINGS MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 92 2020  
MINIMUM TEMPERATURE (F) 46 22 1984  
 
SUNRISE AND SUNSET  
SEPTEMBER 23 2023.....SUNRISE 702 AM MDT SUNSET 710 PM MDT  
SEPTEMBER 24 2023.....SUNRISE 703 AM MDT SUNSET 708 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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