461  
CDUS45 KBYZ 160340  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
940 PM MDT FRI MAY 15 2026  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR MAY 15 2026
 
 
VALID AS OF 0900 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1934 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 71 135 PM 91 1936 67 4 62  
1987  
MINIMUM 45 456 AM 32 1943 44 1 45  
1945  
AVERAGE 58 55 3 54  
 
PRECIPITATION (IN)  
TODAY 0.00 1.10 1955 0.08 -0.08 T  
MONTH TO DATE 0.06 0.99 -0.93 1.41  
SINCE OCT 1 6.28 7.27 -0.99 9.91  
SINCE JAN 1 2.40 4.73 -2.33 8.61  
 
SNOWFALL (IN)  
TODAY MM T 1990 0.0 MM 0.0  
MONTH TO DATE T 0.7 -0.7 T  
SINCE MAR 1 16.6 16.4 0.2 16.2  
SINCE JUL 1 40.9 57.2 -16.3 64.2  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 7 10 -3 11  
MONTH TO DATE 107 190 -83 111  
SINCE MAR 1 1313 1606 -293 1330  
SINCE JUL 1 5137 6541 -1404 6093  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 10 0 10 10  
SINCE MAR 1 12 1 11 10  
SINCE JAN 1 12 1 11 10    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 32 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 13.9  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 36 300 AM  
LOWEST 15 100 PM  
AVERAGE 26  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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