475  
CDUS46 KMTR 190826  
CLISTS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
126 AM PDT THU OCT 19 2017  
 
   
...............................
 
 
   
..THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR OCTOBER 18 2017
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1998 TO 2017  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 75 143 PM 91 2012 76 -1 74  
MINIMUM 41 649 AM 35 1999 45 -4 43  
AVERAGE 58 60 -2 59  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.08 2007 0.08 -0.08 0.00  
MONTH TO DATE 0.00 0.79 -0.79 1.74  
SINCE OCT 1 0.00 0.79 -0.79 1.74  
SINCE JAN 1 41.98 23.32 18.66 25.30  
 
DEGREE DAYS  
HEATING  
YESTERDAY 7 6  
MONTH TO DATE 39 83  
SINCE SEP 1 53 110  
SINCE JUL 1 57 122  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 10 9  
SINCE SEP 1 173 95  
SINCE JAN 1 611 356    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION S (170)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 3.9  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 100 AM  
LOWEST 34 100 PM  
AVERAGE 67  
   
......................................................
 
 
 
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 88 1998  
MINIMUM TEMPERATURE (F) 45 37 2013  
 
 
SUNRISE AND SUNSET  
OCTOBER 19 2017.......SUNRISE 725 AM PDT SUNSET 627 PM PDT  
OCTOBER 20 2017.......SUNRISE 726 AM PDT SUNSET 626 PM PDT  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab CA Page Main Text Page