262  
CDUS45 KBYZ 122230  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
430 PM MDT MON MAY 12 2025  
   
...............................  
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR MAY 12 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 84 226 PM 94 1960 66 18 79  
MINIMUM 57 429 AM 21 1953 43 14 50  
AVERAGE 71 54 17 65  
 
PRECIPITATION (IN)  
TODAY 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)  
TODAY 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  
TODAY 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  
TODAY 6 0 6 0  
MONTH TO DATE 13 0 13 0  
SINCE MAR 1 13 1 12 0  
SINCE JAN 1 13 1 12 0    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 8.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 55 400 AM  
LOWEST 20 200 PM  
AVERAGE 38  
   
......................................................  
 
THE BILLINGS MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 94 2013  
MINIMUM TEMPERATURE (F) 43 24 2004  
 
SUNRISE AND SUNSET  
MAY 12 2025...........SUNRISE 546 AM MDT SUNSET 836 PM MDT  
MAY 13 2025...........SUNRISE 545 AM MDT SUNSET 837 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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