251  
CDUS45 KBYZ 211031  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
331 AM MST TUE JAN 21 2025  
   
...............................  
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR JANUARY 20 2025  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1934 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 8 1159 PM 56 1981 36 -28 42  
2005  
MINIMUM -9 814 AM -27 1954 18 -27 9  
AVERAGE 0 27 -27 26  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.50 1962 0.01 -0.01 0.00  
MONTH TO DATE 0.84 0.36 0.48 0.38  
SINCE OCT 1 2.14 2.90 -0.76 2.77  
SINCE JAN 1 0.84 0.36 0.48 0.38  
 
SNOWFALL (IN)  
YESTERDAY 0.0 6.5 1998 0.3 -0.3 0.0  
MONTH TO DATE 11.1 7.1 4.0 6.7  
SINCE DEC 1 13.4 16.9 -3.5 8.5  
SINCE JUL 1 17.3 28.2 -10.9 15.2  
SNOW DEPTH 2  
 
DEGREE DAYS  
HEATING  
YESTERDAY 65 38 27 39  
MONTH TO DATE 837 766 71 1023  
SINCE DEC 1 1707 1924 -217 1888  
SINCE JUL 1 2979 3526 -547 3247  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 35 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 44 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 16.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 74 700 AM  
LOWEST 52 500 PM  
AVERAGE 63  
   
......................................................  
 
THE BILLINGS MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 36 57 1981  
MINIMUM TEMPERATURE (F) 18 -25 1954  
1962  
 
SUNRISE AND SUNSET  
JANUARY 21 2025.......SUNRISE 747 AM MST SUNSET 505 PM MST  
JANUARY 22 2025.......SUNRISE 746 AM MST SUNSET 506 PM MST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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