469  
CDUS45 KBYZ 161740  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
1140 AM MDT FRI MAY 16 2025  
   
...............................  
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR MAY 16 2025  
 
VALID AS OF 1100 AM 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 57 959 AM 91 1988 67 -10 76  
MINIMUM 40 525 AM 30 1974 44 -4 50  
AVERAGE 49 56 -7 63  
 
PRECIPITATION (IN)  
TODAY 0.00 1.03 1981 0.08 -0.08 0.00  
MONTH TO DATE 1.41 1.07 0.34 1.51  
SINCE OCT 1 9.91 7.35 2.56 7.24  
SINCE JAN 1 8.61 4.81 3.80 4.85  
 
SNOWFALL (IN)  
TODAY MM T 1942 0.0 MM 0.0  
MONTH TO DATE T 0.7 -0.7 T  
SINCE MAR 1 16.2 16.4 -0.2 9.2  
SINCE JUL 1 64.2 57.2 7.0 35.0  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 16 10 6 2  
MONTH TO DATE 127 200 -73 200  
SINCE MAR 1 1346 1616 -270 1540  
SINCE JUL 1 6109 6551 -442 5915  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 10 0 10 1  
SINCE MAR 1 10 1 9 1  
SINCE JAN 1 10 1 9 1    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 10.4  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 500 AM  
LOWEST 45 1000 AM  
AVERAGE 67  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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