Climatological Report (Daily)
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CDUS46 KMTR 050026
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
526 PM PDT MON MAY 4 2015


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR MAY 4 2015...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1927 TO 2015


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         61    124 PM  84    2013  67     -6       68
                                      2011
  MINIMUM         52    658 AM  40    1952  51      1       57
                                      1950
  AVERAGE         57                        59     -2       63

PRECIPITATION (IN)
  TODAY            0.00          0.48 1998   0.03  -0.03     0.00
  MONTH TO DATE    0.00                      0.10  -0.10     0.00
  SINCE OCT 1     16.31                     19.96  -3.65     8.57
  SINCE JAN 1      3.35                     12.60  -9.25     7.31

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

DEGREE DAYS
 HEATING
  TODAY            8                         7      1        2
  MONTH TO DATE   19                        28     -9        7
  SINCE MAR 1    350                       590   -240      342
  SINCE JUL 1   1297                      2396  -1099     1887

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        9
  SINCE MAR 1     13                         6      7       30
  SINCE JAN 1     13                         6      7       30
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED  11   RESULTANT WIND DIRECTION   W (250)
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION     W (250)
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION    SW (240)
  AVERAGE WIND SPEED    11.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    83           500 AM
 LOWEST     62           100 PM
 AVERAGE    73

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


THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   67        91      1987
 MINIMUM TEMPERATURE (F)   51        41      1965


SUNRISE AND SUNSET
MAY  4 2015...........SUNRISE   611 AM PDT   SUNSET   802 PM PDT
MAY  5 2015...........SUNRISE   610 AM PDT   SUNSET   803 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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