149  
CDUS45 KBYZ 221733  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
1133 AM MDT THU MAY 22 2025  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR MAY 22 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 60 959 AM 94 1980 69 -9 66  
MINIMUM 41 417 AM 31 2021 46 -5 48  
AVERAGE 51 58 -7 57  
 
PRECIPITATION (IN)  
TODAY 0.00 1.62 2007 0.08 -0.08 T  
MONTH TO DATE 2.46 1.56 0.90 1.69  
SINCE OCT 1 10.96 7.84 3.12 7.42  
SINCE JAN 1 9.66 5.30 4.36 5.03  
 
SNOWFALL (IN)  
TODAY MM T 1966 0.0 MM 0.0  
2002  
2007  
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 14 8 6 8  
MONTH TO DATE 197 253 -56 269  
SINCE MAR 1 1416 1669 -253 1609  
SINCE JUL 1 6179 6604 -425 5984  
 
COOLING  
TODAY 0 1 -1 0  
MONTH TO DATE 10 3 7 1  
SINCE MAR 1 10 4 6 1  
SINCE JAN 1 10 4 6 1    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 4.5  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 600 AM  
LOWEST 49 1000 AM  
AVERAGE 66  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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