844  
CDUS45 KBYZ 191733  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
1133 AM MDT MON MAY 19 2025  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR MAY 19 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 51 959 AM 92 1992 68 -17 57  
2009  
MINIMUM 43 442 AM 29 1997 45 -2 42  
AVERAGE 47 56 -9 50  
 
PRECIPITATION (IN)  
TODAY 0.15 1.62 1938 0.08 0.07 0.13  
MONTH TO DATE 2.46 1.31 1.15 1.67  
SINCE OCT 1 10.96 7.59 3.37 7.40  
SINCE JAN 1 9.66 5.05 4.61 5.01  
 
SNOWFALL (IN)  
TODAY 0.0 0.4 1975 0.0 0.0 0.0  
MONTH TO DATE T 0.8 -0.8 T  
SINCE MAR 1 16.2 16.5 -0.3 9.2  
SINCE JUL 1 64.2 57.3 6.9 35.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 18 9 9 15  
MONTH TO DATE 163 228 -65 232  
SINCE MAR 1 1382 1644 -262 1572  
SINCE JUL 1 6145 6579 -434 5947  
 
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 20 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 12.0  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1200 AM  
LOWEST 54 1000 AM  
AVERAGE 77  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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