624  
CDUS45 KBYZ 211733  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
1133 AM MDT SAT OCT 21 2023  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR OCTOBER 21 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 52 956 AM 85 2003 56 -4 67  
MINIMUM 41 648 AM 19 1949 35 6 44  
1981  
1984  
AVERAGE 47 46 1 56  
 
PRECIPITATION (IN)  
TODAY 0.00 1.08 1953 0.04 -0.04 0.05  
1975  
MONTH TO DATE 1.25 1.04 0.21 0.44  
SINCE OCT 1 1.25 1.04 0.21 0.44  
SINCE JAN 1 16.32 12.81 3.51 13.67  
 
SNOWFALL (IN)  
TODAY MM 2.3 1975 0.2 MM 0.0  
MONTH TO DATE 0.0 2.8 -2.8 0.0  
SINCE SEP 1 0.0 3.1 -3.1 T  
SINCE JUL 1 T 3.1 -3.1 T  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 18 19 -1 9  
MONTH TO DATE 203 317 -114 186  
SINCE SEP 1 279 485 -206 252  
SINCE JUL 1 295 521 -226 258  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 3 1 2 0  
SINCE SEP 1 83 63 20 137  
SINCE JAN 1 715 658 57 910    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 8.9  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 62 600 AM  
LOWEST 48 1000 AM  
AVERAGE 55  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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