Climatological Report (Daily)
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CDUS46 KMTR 240031
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
531 PM PDT TUE MAY 23 2017


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR MAY 23 2017...
VALID TODAY AS OF 0500 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         69   1143 AM  88    2000  68      1       66
  MINIMUM         52    509 AM  46    1954  52      0       54
  AVERAGE         61                        60      1       60

PRECIPITATION (IN)
  TODAY            0.00          0.21 1997   0.01  -0.01     0.00
  MONTH TO DATE    T                         0.39  -0.39     0.05
  SINCE OCT 1     30.87                     20.25  10.62    17.23
  SINCE JAN 1     21.92                     12.89   9.03    12.44

SNOWFALL (IN)
  TODAY            0.0           0.0
  MONTH TO DATE    0.0
  SINCE MAR 1      0.0
  SINCE JUL 1      0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  TODAY            4                         5     -1        5
  MONTH TO DATE   98                       141    -43      106
  SINCE MAR 1    530                       703   -173      476
  SINCE JUL 1   2107                      2509   -402     1874

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE   21                         0     21        8
  SINCE MAR 1     23                         6     17       28
  SINCE JAN 1     23                         6     17       28
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED  13   RESULTANT WIND DIRECTION  NW (300)
  HIGHEST WIND SPEED    26   HIGHEST WIND DIRECTION     W (290)
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION     W (290)
  AVERAGE WIND SPEED    13.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.4


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93          1200 AM
 LOWEST     58          1200 PM
 AVERAGE    76

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


THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   68        91      1982
 MINIMUM TEMPERATURE (F)   52        45      1953


SUNRISE AND SUNSET
MAY 23 2017...........SUNRISE   554 AM PDT   SUNSET   819 PM PDT
MAY 24 2017...........SUNRISE   553 AM PDT   SUNSET   820 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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