304  
CDUS45 KBYZ 221740  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
1140 AM MDT FRI SEP 22 2023  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR SEPTEMBER 22 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 52 959 AM 91 1938 71 -19 70  
MINIMUM 50 429 AM 25 2000 47 3 48  
AVERAGE 51 59 -8 59  
 
PRECIPITATION (IN)  
TODAY 0.28 0.55 2006 0.05 0.23 0.08  
MONTH TO DATE 0.51 0.96 -0.45 0.63  
SINCE OCT 1 17.06 13.91 3.15 15.45  
SINCE JAN 1 15.01 11.37 3.64 12.69  
 
SNOWFALL (IN)  
TODAY MM 5.0 2000 0.0 MM T  
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 14 7 7 6  
MONTH TO DATE 41 96 -55 55  
SINCE SEP 1 41 96 -55 55  
SINCE JUL 1 57 132 -75 61  
 
COOLING  
TODAY 0 1 -1 0  
MONTH TO DATE 75 55 20 122  
SINCE SEP 1 75 55 20 122  
SINCE JAN 1 707 650 57 895    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 6.7  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
MIXED PRECIP  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 200 AM  
LOWEST 92 400 AM  
AVERAGE 96  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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