339  
CDUS45 KBYZ 211740  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
1140 AM MDT FRI JUL 21 2023  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR JULY 21 2023
 
 
VALID AS OF 1100 AM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1934 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 79 959 AM 103 1936 89 -10 95  
MINIMUM 61 559 AM 44 1939 61 0 62  
AVERAGE 70 75 -5 79  
 
PRECIPITATION (IN)  
TODAY 0.00 0.88 2010 0.04 -0.04 0.00  
MONTH TO DATE 0.51 0.89 -0.38 0.61  
SINCE OCT 1 15.22 11.75 3.47 12.78  
SINCE JAN 1 13.17 9.21 3.96 10.02  
 
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 8 9 -1 0  
SINCE JUN 1 78 99 -21 86  
SINCE JUL 1 8 9 -1 0  
 
COOLING  
TODAY 5 10 -5 14  
MONTH TO DATE 132 169 -37 233  
SINCE JUN 1 178 250 -72 306  
SINCE JAN 1 206 265 -59 310    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 7.2  
 
SKY COVER  
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 45 1000 AM  
AVERAGE 60  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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