237  
CDUS45 KBYZ 200333  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
933 PM MDT MON MAY 19 2025  
   
...............................  
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR MAY 19 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 55 1217 PM 92 1992 68 -13 57  
2009  
MINIMUM 43 442 AM 29 1997 45 -2 42  
AVERAGE 49 56 -7 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 MM 0.4 1975 0.0 MM 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 MM  
 
DEGREE DAYS  
HEATING  
TODAY 16 9 7 15  
MONTH TO DATE 161 228 -67 232  
SINCE MAR 1 1380 1644 -264 1572  
SINCE JUL 1 6143 6579 -436 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 (360)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 11.7  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1200 AM  
LOWEST 49 1100 AM  
AVERAGE 75  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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