534  
CDUS45 KBYZ 290930  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
330 AM MDT SAT JUL 29 2023  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR JULY 28 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 85 236 PM 103 1947 89 -4 87  
2006  
MINIMUM 58 412 AM 48 1949 61 -3 58  
1971  
AVERAGE 72 75 -3 73  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 0.21 2016 0.03 -0.01 0.00  
MONTH TO DATE 0.55 1.12 -0.57 2.18  
SINCE OCT 1 15.26 11.98 3.28 14.35  
SINCE JAN 1 13.21 9.44 3.77 11.59  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 MM 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 7 10 -3 8  
MONTH TO DATE 243 239 4 299  
SINCE JUN 1 289 320 -31 372  
SINCE JAN 1 317 335 -18 376    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 8.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 400 AM  
LOWEST 34 300 PM  
AVERAGE 59  
   
......................................................
 
 
THE BILLINGS MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 102 1939  
MINIMUM TEMPERATURE (F) 61 43 1971  
 
SUNRISE AND SUNSET  
JULY 29 2023..........SUNRISE 554 AM MDT SUNSET 847 PM MDT  
JULY 30 2023..........SUNRISE 555 AM MDT SUNSET 846 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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