Climatological Report (Daily)
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CDUS46 KMTR 200826
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
126 AM PDT THU JUL 20 2017


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JULY 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         70    235 PM  90    1961  72     -2       69
  MINIMUM         54    527 AM  49    1981  56     -2       55
  AVERAGE         62                        64     -2       62

PRECIPITATION (IN)
  YESTERDAY        0.00          0.00 2006   0.00   0.00     0.00
  MONTH TO DATE    0.00                      0.00   0.00      T
  SINCE OCT 1     30.92                     20.44  10.48    17.23
  SINCE JAN 1     21.97                     13.08   8.89    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        3                         2      1        3
  MONTH TO DATE   30                        38     -8       41
  SINCE JUN 1    106                       143    -37      102
  SINCE JUL 1     30                        38     -8       41

 COOLING
  YESTERDAY        0                         1     -1        0
  MONTH TO DATE   20                        19      1        1
  SINCE JUN 1     47                        40      7       20
  SINCE JAN 1     70                        59     11       51
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED  14   RESULTANT WIND DIRECTION   W (280)
  HIGHEST WIND SPEED    28   HIGHEST WIND DIRECTION     W (280)
  HIGHEST GUST SPEED    35   HIGHEST GUST DIRECTION     W (270)
  AVERAGE WIND SPEED    15.2


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    89           500 AM
 LOWEST     47           200 PM
 AVERAGE    68

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


THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   72        93      1996
 MINIMUM TEMPERATURE (F)   56        49      1981


SUNRISE AND SUNSET
JULY 20 2017..........SUNRISE   604 AM PDT   SUNSET   827 PM PDT
JULY 21 2017..........SUNRISE   605 AM PDT   SUNSET   827 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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