564  
CDUS45 KBYZ 300931  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
331 AM MDT SUN JUL 30 2023  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR JULY 29 2023
 
 
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)  
YESTERDAY  
MAXIMUM 88 511 PM 102 1939 89 -1 94  
MINIMUM 58 529 AM 43 1971 61 -3 60  
AVERAGE 73 75 -2 77  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.96 1985 0.04 -0.04 T  
MONTH TO DATE 0.55 1.16 -0.61 2.18  
SINCE OCT 1 15.26 12.02 3.24 14.35  
SINCE JAN 1 13.21 9.48 3.73 11.59  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1950 0.0 0.0 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 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 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  
YESTERDAY 8 10 -2 12  
MONTH TO DATE 251 249 2 311  
SINCE JUN 1 297 330 -33 384  
SINCE JAN 1 325 345 -20 388    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 5.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 400 AM  
LOWEST 39 300 PM  
AVERAGE 65  
   
......................................................
 
 
THE BILLINGS MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 102 2000  
MINIMUM TEMPERATURE (F) 61 46 1971  
 
SUNRISE AND SUNSET  
JULY 30 2023..........SUNRISE 555 AM MDT SUNSET 846 PM MDT  
JULY 31 2023..........SUNRISE 556 AM MDT SUNSET 844 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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