837  
CDUS45 KBYZ 210931  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
331 AM MDT FRI JUL 21 2023  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR JULY 20 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 86 336 PM 103 1960 89 -3 96  
MINIMUM 57 454 AM 46 1972 60 -3 63  
AVERAGE 72 75 -3 80  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.61 1997 0.03 -0.03 0.00  
MONTH TO DATE 0.51 0.85 -0.34 0.61  
SINCE OCT 1 15.22 11.71 3.51 12.78  
SINCE JAN 1 13.17 9.17 4.00 10.02  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1997 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 15  
MONTH TO DATE 127 159 -32 219  
SINCE JUN 1 173 240 -67 292  
SINCE JAN 1 201 255 -54 296    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 7.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 67 500 AM  
LOWEST 27 400 PM  
AVERAGE 47  
   
......................................................
 
 
THE BILLINGS MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 103 1936  
MINIMUM TEMPERATURE (F) 61 44 1939  
 
SUNRISE AND SUNSET  
JULY 21 2023..........SUNRISE 545 AM MDT SUNSET 856 PM MDT  
JULY 22 2023..........SUNRISE 546 AM MDT SUNSET 855 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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