762  
CDUS45 KBYZ 110931  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
331 AM MDT SUN MAY 11 2025  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR MAY 10 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 87R 417 PM 85 1940 65 22 70  
MINIMUM 53 422 AM 25 1967 42 11 42  
AVERAGE 70 53 17 56  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.51 2011 0.08 -0.08 0.00  
MONTH TO DATE 0.40 0.61 -0.21 1.41  
SINCE OCT 1 8.90 6.89 2.01 7.14  
SINCE JAN 1 7.60 4.35 3.25 4.75  
 
SNOWFALL (IN)  
YESTERDAY 0.0 5.7 1967 0.0 0.0 0.0  
MONTH TO DATE T 0.5 -0.5 T  
SINCE MAR 1 16.2 16.2 0.0 9.2  
SINCE JUL 1 64.2 57.0 7.2 35.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 12 -12 9  
MONTH TO DATE 77 135 -58 183  
SINCE MAR 1 1296 1551 -255 1523  
SINCE JUL 1 6059 6486 -427 5898  
 
COOLING  
YESTERDAY 5 0 5 0  
MONTH TO DATE 5 0 5 0  
SINCE MAR 1 5 1 4 0  
SINCE JAN 1 5 1 4 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 10.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 300 AM  
LOWEST 14 300 PM  
AVERAGE 50  
   
......................................................
 
 
THE BILLINGS MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 65 89 1960  
MINIMUM TEMPERATURE (F) 42 20 1953  
 
SUNRISE AND SUNSET  
MAY 11 2025...........SUNRISE 547 AM MDT SUNSET 835 PM MDT  
MAY 12 2025...........SUNRISE 546 AM MDT SUNSET 836 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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