329  
CDUS45 KBYZ 090340  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
940 PM MDT THU MAY 08 2025  
   
...............................  
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR MAY 8 2025  
 
VALID AS OF 0900 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 78 510 PM 90 1987 64 14 51  
MINIMUM 52 445 AM 26 2010 41 11 36  
AVERAGE 65 52 13 44  
 
PRECIPITATION (IN)  
TODAY 0.00 0.73 2024 0.07 -0.07 0.73  
MONTH TO DATE 0.40 0.47 -0.07 1.28  
SINCE OCT 1 8.90 6.75 2.15 7.01  
SINCE JAN 1 7.60 4.21 3.39 4.62  
 
SNOWFALL (IN)  
TODAY MM 2.6 1986 0.1 MM T  
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 MM  
 
DEGREE DAYS  
HEATING  
TODAY 0 13 -13 21  
MONTH TO DATE 74 111 -37 161  
SINCE MAR 1 1293 1527 -234 1501  
SINCE JUL 1 6056 6462 -406 5876  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 1 -1 0  
SINCE JAN 1 0 1 -1 0    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 11.2  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 66 600 AM  
LOWEST 24 200 PM  
AVERAGE 45  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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