Climatological Report (Daily)
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030
CDUS46 KMTR 260031
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
531 PM PDT TUE APR 25 2017


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR APRIL 25 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         64    144 PM  87    2004  66     -2       63
  MINIMUM         52    305 AM  41    1974  50      2       47
  AVERAGE         58                        58      0       55

PRECIPITATION (IN)
  TODAY            0.00          0.48 1994   0.03  -0.03     0.00
  MONTH TO DATE    2.20                      1.15   1.05     0.78
  SINCE OCT 1     30.87                     19.72  11.15    17.14
  SINCE JAN 1     21.92                     12.36   9.56    12.35

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            7                         7      0       10
  MONTH TO DATE  170                       212    -42      108
  SINCE MAR 1    411                       526   -115      325
  SINCE JUL 1   1988                      2332   -344     1723

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    1                         0      1       20
  SINCE MAR 1      1                         1      0       20
  SINCE JAN 1      1                         1      0       20
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED  19   RESULTANT WIND DIRECTION   W (270)
  HIGHEST WIND SPEED    24   HIGHEST WIND DIRECTION     W (270)
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION     W (270)
  AVERAGE WIND SPEED    19.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    83          1200 AM
 LOWEST     56          1100 AM
 AVERAGE    70

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


THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   66        90      2004
 MINIMUM TEMPERATURE (F)   50        42      1955
                                             1950


SUNRISE AND SUNSET
APRIL 25 2017.........SUNRISE   621 AM PDT   SUNSET   755 PM PDT
APRIL 26 2017.........SUNRISE   620 AM PDT   SUNSET   755 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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