353  
CDUS45 KBYZ 311734  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
1134 AM MDT THU JUL 31 2025  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR JULY 31 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 76 959 AM 104 1989 89 -13 89  
MINIMUM 61 542 AM 47 1968 61 0 60  
1995  
AVERAGE 69 75 -6 75  
 
PRECIPITATION (IN)  
TODAY 0.00 0.64 1998 0.03 -0.03 0.00  
MONTH TO DATE 0.95 1.22 -0.27 0.23  
SINCE OCT 1 13.97 12.08 1.89 10.43  
SINCE JAN 1 12.67 9.54 3.13 8.04  
 
SNOWFALL (IN)  
TODAY MM T 1998 0.0 MM 0.0  
MONTH TO DATE 0.0 0.0 0.0 T  
SINCE JUN 1 0.0 0.0 0.0 T  
SINCE JUL 1 0.0 0.0 0.0 T  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 16 9 7 3  
SINCE JUN 1 87 99 -12 69  
SINCE JUL 1 16 9 7 3  
 
COOLING  
TODAY 4 10 -6 10  
MONTH TO DATE 243 269 -26 343  
SINCE JUN 1 324 350 -26 439  
SINCE JAN 1 340 365 -25 440    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 4.8  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 600 AM  
LOWEST 55 1000 AM  
AVERAGE 73  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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