485  
CDUS45 KBYZ 220723  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
123 AM MDT SUN OCT 22 2017  
 
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR OCTOBER 21 2017
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1934 TO 2017  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 55 203 PM 85 2003 58 -3 69  
MINIMUM 41 944 PM 19 1984 36 5 47  
1981  
1949  
AVERAGE 48 46 2 58  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.08 1975 0.04 -0.04 0.00  
1953  
MONTH TO DATE 0.28 0.89 -0.61 3.08  
SINCE OCT 1 0.28 0.89 -0.61 3.08  
SINCE JAN 1 14.26 12.24 2.02 12.41  
 
SNOWFALL (IN)  
YESTERDAY 0.0 2.3 1975 0.1 -0.1 0.0  
MONTH TO DATE T 2.6 -2.6 3.0  
SINCE SEP 1 T 3.7 -3.7 3.0  
SINCE JUL 1 T 3.7 -3.7 3.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 17 19 -2 7  
MONTH TO DATE 316 316 0 317  
SINCE SEP 1 552 508 44 478  
SINCE JUL 1 554 545 9 506  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 1 0 1 2  
SINCE SEP 1 100 51 49 54  
SINCE JAN 1 840 633 207 738    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 36 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 44 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 19.6  
 
 
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 49 1200 AM  
LOWEST 22 1200 PM  
AVERAGE 36  
   
......................................................
 
 
 
THE BILLINGS MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 57 80 1939  
MINIMUM TEMPERATURE (F) 35 20 2002  
 
 
SUNRISE AND SUNSET  
OCTOBER 22 2017.......SUNRISE 741 AM MDT SUNSET 616 PM MDT  
OCTOBER 23 2017.......SUNRISE 742 AM MDT SUNSET 614 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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