Climatological Report (Daily)
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000
CDUS46 KMTR 200828
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
126 AM PDT SUN AUG 20 2017


...................................

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR AUGUST 19 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1927 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         76    257 PM  89    1964  73      3       73
  MINIMUM         59    541 AM  49    1955  56      3       58
                                      1894
  AVERAGE         68                        65      3       66

PRECIPITATION (IN)
  YESTERDAY        0.00          0.56 1997   0.00   0.00     0.00
  MONTH TO DATE    T                         0.02  -0.02     0.00
  SINCE OCT 1     30.92                     20.46  10.46    17.23
  SINCE JAN 1     21.97                     13.10   8.87    12.44

SNOWFALL (IN)
  YESTERDAY        0.0           0.0
  MONTH TO DATE    0.0
  SINCE JUN 1      0.0
  SINCE JUL 1      0.0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         1     -1        0
  MONTH TO DATE    6                        30    -24       30
  SINCE JUN 1    128                       200    -72      156
  SINCE JUL 1     52                        95    -43       95

 COOLING
  YESTERDAY        3                         1      2        1
  MONTH TO DATE   31                        19     12        5
  SINCE JUN 1     88                        64     24       28
  SINCE JAN 1    111                        83     28       59
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   3   RESULTANT WIND DIRECTION   W (280)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     W (290)
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION     W (290)
  AVERAGE WIND SPEED     6.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.4


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    87          1200 AM
 LOWEST     53           400 PM
 AVERAGE    70

..........................................................


THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   73        84      1964
 MINIMUM TEMPERATURE (F)   56        47      1955


SUNRISE AND SUNSET
AUGUST 20 2017........SUNRISE   630 AM PDT   SUNSET   755 PM PDT
AUGUST 21 2017........SUNRISE   631 AM PDT   SUNSET   754 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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