196  
CDUS45 KBYZ 211739  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
1139 AM MDT MON JUL 21 2025  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR JULY 21 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 71 1000 AM 103 1936 89 -18 91  
MINIMUM 59 400 AM 44 1939 61 -2 63  
AVERAGE 65 75 -10 77  
 
PRECIPITATION (IN)  
TODAY 0.00 0.88 2010 0.04 -0.04 0.00  
MONTH TO DATE 0.75 0.89 -0.14 0.23  
SINCE OCT 1 13.77 11.75 2.02 10.43  
SINCE JAN 1 12.47 9.21 3.26 8.04  
 
SNOWFALL (IN)  
TODAY MM 0.0 MM 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 0 10 -10 12  
MONTH TO DATE 171 169 2 211  
SINCE JUN 1 252 250 2 307  
SINCE JAN 1 268 265 3 308    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED 5.1  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78 600 AM  
LOWEST 61 900 AM  
AVERAGE 70  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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