875  
CDUS45 KBYZ 151740  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
1140 AM MDT FRI SEP 15 2023  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR SEPTEMBER 15 2023
 
 
VALID AS OF 1100 AM 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 63 959 AM 95 2000 75 -12 76  
2019  
MINIMUM 50 653 AM 31 1965 49 1 51  
AVERAGE 57 62 -5 64  
 
PRECIPITATION (IN)  
TODAY 0.00 1.22 2017 0.04 -0.04 0.00  
MONTH TO DATE 0.13 0.63 -0.50 0.44  
SINCE OCT 1 16.68 13.58 3.10 15.26  
SINCE JAN 1 14.63 11.04 3.59 12.50  
 
SNOWFALL (IN)  
TODAY MM 3.0 1965 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 8 5 3 1  
MONTH TO DATE 16 52 -36 22  
SINCE SEP 1 16 52 -36 22  
SINCE JUL 1 32 88 -56 28  
 
COOLING  
TODAY 0 2 -2 0  
MONTH TO DATE 54 44 10 116  
SINCE SEP 1 54 44 10 116  
SINCE JAN 1 686 639 47 889    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 7.2  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 74 400 AM  
LOWEST 49 100 AM  
AVERAGE 62  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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