Climatological Report (Daily)
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000
CDUS46 KMTR 290846
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
136 AM PDT SAT JUL 29 2017


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JULY 28 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         67   1242 PM  88    1954  72     -5       69
  MINIMUM         57    652 AM  48    1953  56      1       53
  AVERAGE         62                        64     -2       61

PRECIPITATION (IN)
  YESTERDAY        0.00          0.01 2013   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        4
  MONTH TO DATE   40                        56    -16       60
  SINCE JUN 1    116                       161    -45      121
  SINCE JUL 1     40                        56    -16       60

 COOLING
  YESTERDAY        0                         1     -1        0
  MONTH TO DATE   30                        28      2        3
  SINCE JUN 1     57                        49      8       22
  SINCE JAN 1     80                        68     12       53
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED  16   RESULTANT WIND DIRECTION   W (290)
  HIGHEST WIND SPEED    29   HIGHEST WIND DIRECTION     W (290)
  HIGHEST GUST SPEED    33   HIGHEST GUST DIRECTION     W (290)
  AVERAGE WIND SPEED    15.7


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    86           100 AM
 LOWEST     58           100 PM
 AVERAGE    72

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


THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   72        91      1977
 MINIMUM TEMPERATURE (F)   56        44      1951


SUNRISE AND SUNSET
JULY 29 2017..........SUNRISE   611 AM PDT   SUNSET   820 PM PDT
JULY 30 2017..........SUNRISE   612 AM PDT   SUNSET   819 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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