448  
CDUS45 KBYZ 132234  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
434 PM MDT TUE MAY 13 2025  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR MAY 13 2025
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 64 206 PM 94 2013 66 -2 80  
MINIMUM 50 1228 AM 24 2004 43 7 51  
AVERAGE 57 54 3 66  
 
PRECIPITATION (IN)  
TODAY 0.00 0.75 1962 0.07 -0.07 0.03  
MONTH TO DATE 0.41 0.83 -0.42 1.44  
SINCE OCT 1 8.91 7.11 1.80 7.17  
SINCE JAN 1 7.61 4.57 3.04 4.78  
 
SNOWFALL (IN)  
TODAY 0.0 3.9 1995 0.0 0.0 0.0  
MONTH TO DATE T 0.6 -0.6 T  
SINCE MAR 1 16.2 16.3 -0.1 9.2  
SINCE JUL 1 64.2 57.1 7.1 35.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 8 11 -3 0  
MONTH TO DATE 85 169 -84 184  
SINCE MAR 1 1304 1585 -281 1524  
SINCE JUL 1 6067 6520 -453 5899  
 
COOLING  
TODAY 0 0 0 1  
MONTH TO DATE 10 0 10 1  
SINCE MAR 1 10 1 9 1  
SINCE JAN 1 10 1 9 1    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 7.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 61 700 AM  
LOWEST 40 200 PM  
AVERAGE 51  
   
......................................................
 
 
THE BILLINGS MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 96 1936  
MINIMUM TEMPERATURE (F) 43 28 1953  
 
SUNRISE AND SUNSET  
MAY 13 2025...........SUNRISE 545 AM MDT SUNSET 837 PM MDT  
MAY 14 2025...........SUNRISE 543 AM MDT SUNSET 838 PM MDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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