758  
CDUS45 KBYZ 211740  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
1140 AM MDT SAT SEP 21 2024  
   
...............................  
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR SEPTEMBER 21 2024  
 
VALID AS OF 1100 AM 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 54 959 AM 91 1938 72 -18 56  
MINIMUM 43 537 AM 28 1995 47 -4 50  
AVERAGE 49 59 -10 53  
 
PRECIPITATION (IN)  
TODAY 0.00 0.67 1991 0.05 -0.05 0.10  
MONTH TO DATE 1.72 0.91 0.81 0.23  
SINCE OCT 1 13.05 13.86 -0.81 16.78  
SINCE JAN 1 10.66 11.32 -0.66 14.73  
 
SNOWFALL (IN)  
TODAY MM 0.5 2000 0.0 MM 0.0  
MONTH TO DATE 0.0 0.1 -0.1 0.0  
SINCE SEP 1 0.0 0.1 -0.1 0.0  
SINCE JUL 1 T 0.1 -0.1 T  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 16 7 9 12  
MONTH TO DATE 38 89 -51 27  
SINCE SEP 1 38 89 -51 27  
SINCE JUL 1 52 125 -73 43  
 
COOLING  
TODAY 0 1 -1 0  
MONTH TO DATE 82 54 28 75  
SINCE SEP 1 82 54 28 75  
SINCE JAN 1 749 649 100 707    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 5.3  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 76 700 AM  
LOWEST 52 1000 AM  
AVERAGE 64  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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