170  
CDUS45 KBYZ 130932  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
332 AM MDT TUE MAY 13 2025  
   
...............................  
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR MAY 12 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 84 226 PM 94 1960 66 18 79  
MINIMUM 52 1156 PM 21 1953 43 9 50  
AVERAGE 68 54 14 65  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.78 1995 0.08 -0.08 0.00  
MONTH TO DATE 0.41 0.76 -0.35 1.41  
SINCE OCT 1 8.91 7.04 1.87 7.14  
SINCE JAN 1 7.61 4.50 3.11 4.75  
 
SNOWFALL (IN)  
YESTERDAY 0.0 6.1 1983 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  
YESTERDAY 0 11 -11 0  
MONTH TO DATE 77 158 -81 184  
SINCE MAR 1 1296 1574 -278 1524  
SINCE JUL 1 6059 6509 -450 5899  
 
COOLING  
YESTERDAY 3 0 3 0  
MONTH TO DATE 10 0 10 0  
SINCE MAR 1 10 1 9 0  
SINCE JAN 1 10 1 9 0    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 35 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 47 HIGHEST GUST DIRECTION N (360)  
AVERAGE WIND SPEED 9.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 55 400 AM  
LOWEST 20 200 PM  
AVERAGE 38  
   
......................................................  
 
THE BILLINGS MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 94 2013  
MINIMUM TEMPERATURE (F) 43 24 2004  
 
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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