604  
CDUS46 KMTR 190826  
CLISFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
126 AM PDT THU OCT 19 2017  
 
   
...............................
 
 
   
..THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR OCTOBER 18 2017
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1850 TO 2017  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 60 1143 AM 88 1933 69 -9 66  
MINIMUM 49 1243 AM 47 1949 54 -5 54  
AVERAGE 55 62 -7 60  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.33 1889 0.04 -0.04 0.00  
MONTH TO DATE 0.00 0.43 -0.43 1.18  
SINCE OCT 1 0.00 0.43 -0.43 1.18  
SINCE JAN 1 23.41 15.24 8.17 17.67  
 
DEGREE DAYS  
HEATING  
YESTERDAY 10 MM MM 5  
MONTH TO DATE 46 MM MM 69  
SINCE SEP 1 78 MM MM 190  
SINCE JUL 1 300 MM MM 498  
 
COOLING  
YESTERDAY 0 MM MM 0  
MONTH TO DATE 20 0 20 12  
SINCE SEP 1 146 0 146 56  
SINCE JAN 1 185 0 185 87    
..............................................................
 
 
 
THE SAN FRANCISCO DWTN CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 90 1913  
MINIMUM TEMPERATURE (F) 54 47 2013  
 
 
SUNRISE AND SUNSET  
OCTOBER 19 2017.......SUNRISE 722 AM PDT SUNSET 626 PM PDT  
OCTOBER 20 2017.......SUNRISE 723 AM PDT SUNSET 625 PM PDT  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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