749  
CDUS46 KMTR 220026  
CLISFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
525 PM PDT MON AUG 21 2017  
 
   
...............................
 
 
   
..THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR AUGUST 21 2017
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 70 243 PM 88 1891 69 1 64  
MINIMUM 61 543 AM 47 1898 55 6 57  
AVERAGE 66 62 4 61  
 
PRECIPITATION (IN)  
TODAY 0.00 0.22 1951 0.01 -0.01 0.00  
MONTH TO DATE 0.01 0.04 -0.03 0.02  
SINCE OCT 1 32.34 23.42 8.92 23.10  
SINCE JAN 1 23.31 14.58 8.73 16.49  
 
DEGREE DAYS  
HEATING  
TODAY 0 MM MM 4  
MONTH TO DATE 60 MM MM 105  
SINCE JUN 1 333 MM MM 413  
SINCE JUL 1 193 MM MM 273  
 
COOLING  
TODAY 1 MM MM 0  
MONTH TO DATE 6 0 6 0  
SINCE JUN 1 25 0 25 5  
SINCE JAN 1 33 0 33 31    
..............................................................
 
 
 
THE SAN FRANCISCO DWTN CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 92 1891  
MINIMUM TEMPERATURE (F) 55 50 1898  
 
 
SUNRISE AND SUNSET  
AUGUST 21 2017........SUNRISE 631 AM PDT SUNSET 754 PM PDT  
AUGUST 22 2017........SUNRISE 632 AM PDT SUNSET 753 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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