866  
CDUS45 KBYZ 020331  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
931 PM MDT THU MAY 01 2025  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR MAY 1 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 63 354 PM 88 1981 61 2 49  
MINIMUM 43 541 AM 17 1954 39 4 35  
AVERAGE 53 50 3 42  
 
PRECIPITATION (IN)  
TODAY T 0.38 1954 0.06 -0.06 0.08  
1997  
MONTH TO DATE T 0.06 -0.06 0.08  
SINCE OCT 1 8.50 6.34 2.16 5.81  
SINCE JAN 1 7.20 3.80 3.40 3.42  
 
SNOWFALL (IN)  
TODAY 0.0 3.1 1954 0.1 -0.1 T  
MONTH TO DATE 0.0 0.1 -0.1 T  
SINCE MAR 1 16.2 15.8 0.4 9.2  
SINCE JUL 1 64.2 56.6 7.6 35.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 12 15 -3 23  
MONTH TO DATE 12 15 -3 23  
SINCE MAR 1 1231 1431 -200 1363  
SINCE JUL 1 5994 6366 -372 5738  
 
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 28 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 11.2  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 100 AM  
LOWEST 23 400 PM  
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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