711  
CDUS45 KBYZ 171840  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
1140 AM MST SUN DEC 17 2023  
   
...............................  
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR DECEMBER 17 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 48 1059 AM 67 1939 35 13 29  
MINIMUM 38 428 AM -24 1964 19 19 13  
AVERAGE 43 27 16 21  
 
PRECIPITATION (IN)  
TODAY 0.00 0.38 1955 0.01 -0.01 0.00  
MONTH TO DATE 0.10 0.30 -0.20 0.44  
SINCE OCT 1 2.16 2.27 -0.11 1.88  
SINCE JAN 1 17.23 14.04 3.19 15.11  
 
SNOWFALL (IN)  
TODAY MM 6.3 1963 0.3 MM 0.0  
MONTH TO DATE T 4.9 -4.9 6.7  
SINCE DEC 1 T 4.9 -4.9 6.7  
SINCE JUL 1 6.7 16.2 -9.5 16.8  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 22 38 -16 44  
MONTH TO DATE 437 617 -180 739  
SINCE DEC 1 437 617 -180 739  
SINCE JUL 1 1796 2219 -423 2316  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 715 662 53 910    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 12.9  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 34 100 AM  
LOWEST 24 600 AM  
AVERAGE 29  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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