Climatological Report (Daily)
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867
CDUS46 KMTR 280838
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
138 AM PDT SUN MAY 28 2017


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR MAY 27 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    255 PM  97    1984  69     -2       73
  MINIMUM         54    316 AM  42    1954  53      1       53
  AVERAGE         61                        60      1       63

PRECIPITATION (IN)
  YESTERDAY        0.00          0.92 1990   0.01  -0.01     0.00
  MONTH TO DATE    T                         0.43  -0.43     0.05
  SINCE OCT 1     30.87                     20.29  10.58    17.23
  SINCE JAN 1     21.92                     12.93   8.99    12.44

SNOWFALL (IN)
  YESTERDAY        0.0           0.0
  MONTH TO DATE    0.0
  SINCE MAR 1      0.0
  SINCE JUL 1      0.0

DEGREE DAYS
 HEATING
  YESTERDAY        4                         5     -1        2
  MONTH TO DATE  116                       161    -45      118
  SINCE MAR 1    548                       723   -175      488
  SINCE JUL 1   2125                      2529   -404     1886

 COOLING
  YESTERDAY        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  12   RESULTANT WIND DIRECTION   W (270)
  HIGHEST WIND SPEED    26   HIGHEST WIND DIRECTION     W (280)
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION     W (280)
  AVERAGE WIND SPEED    13.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    77          1200 AM
 LOWEST     52          1100 AM
 AVERAGE    65

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


THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   69        92      1984
 MINIMUM TEMPERATURE (F)   53        45      1955
                                             1954


SUNRISE AND SUNSET
MAY 28 2017...........SUNRISE   551 AM PDT   SUNSET   823 PM PDT
MAY 29 2017...........SUNRISE   551 AM PDT   SUNSET   824 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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