461  
CDUS45 KBYZ 131740  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
1140 AM MDT TUE MAY 13 2025  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR MAY 13 2025
 
 
VALID AS OF 1100 AM 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 58 959 AM 94 2013 66 -8 80  
MINIMUM 50 1228 AM 24 2004 43 7 51  
AVERAGE 54 54 0 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 MM 3.9 1995 0.0 MM 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 MM  
 
DEGREE DAYS  
HEATING  
TODAY 11 11 0 0  
MONTH TO DATE 88 169 -81 184  
SINCE MAR 1 1307 1585 -278 1524  
SINCE JUL 1 6070 6520 -450 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 9 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 5.2  
 
SKY COVER  
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 49 200 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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