420  
CDUS45 KBYZ 272231  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
431 PM MDT SUN JUL 27 2025  
   
...............................  
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR JULY 27 2025  
 
VALID TODAY AS OF 0400 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 89 259 PM 106 2021 89 0 89  
MINIMUM 59 559 AM 51 1963 61 -2 61  
1981  
AVERAGE 74 75 -1 75  
 
PRECIPITATION (IN)  
TODAY 0.00 0.81 1998 0.03 -0.03 0.00  
MONTH TO DATE 0.81 1.09 -0.28 0.23  
SINCE OCT 1 13.83 11.95 1.88 10.43  
SINCE JAN 1 12.53 9.41 3.12 8.04  
 
SNOWFALL (IN)  
TODAY MM T 1998 0.0 MM 0.0  
2015  
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 9 10 -1 10  
MONTH TO DATE 222 229 -7 304  
SINCE JUN 1 303 310 -7 400  
SINCE JAN 1 319 325 -6 401    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 7.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 75 600 AM  
LOWEST 41 1100 AM  
AVERAGE 58  
   
......................................................  
 
THE BILLINGS MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 103 1947  
2006  
MINIMUM TEMPERATURE (F) 61 48 1949  
1971  
 
SUNRISE AND SUNSET  
JULY 27 2025..........SUNRISE 552 AM MDT SUNSET 849 PM MDT  
JULY 28 2025..........SUNRISE 553 AM MDT SUNSET 848 PM MDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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