903  
CDUS45 KBYZ 170331  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
931 PM MDT FRI MAY 16 2025  
   
...............................  
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR MAY 16 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 64 237 PM 91 1988 67 -3 76  
MINIMUM 40 525 AM 30 1974 44 -4 50  
AVERAGE 52 56 -4 63  
 
PRECIPITATION (IN)  
TODAY 0.02 1.03 1981 0.08 -0.06 0.00  
MONTH TO DATE 1.43 1.07 0.36 1.51  
SINCE OCT 1 9.93 7.35 2.58 7.24  
SINCE JAN 1 8.63 4.81 3.82 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 13 10 3 2  
MONTH TO DATE 124 200 -76 200  
SINCE MAR 1 1343 1616 -273 1540  
SINCE JUL 1 6106 6551 -445 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 8.7  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
RAIN  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 500 AM  
LOWEST 35 100 PM  
AVERAGE 62  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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