Climatological Report (Daily)
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000
CDUS46 KMTR 270837
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
137 AM PDT SUN MAY 27 2018


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR MAY 26 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1927 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         66    302 PM  89    1896  69     -3       65
  MINIMUM         55   1157 PM  42    1953  52      3       54
  AVERAGE         61                        60      1       60

PRECIPITATION (IN)
  YESTERDAY        T             0.12 1947   0.01  -0.01     0.00
  MONTH TO DATE    0.01                      0.42  -0.41      T
  SINCE OCT 1     13.86                     20.28  -6.42    30.87
  SINCE JAN 1     10.81                     12.92  -2.11    21.92

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        5
  MONTH TO DATE  122                       156    -34      112
  SINCE MAR 1    613                       718   -105      544
  SINCE JUL 1   1979                      2524   -545     2121

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    2                         0      2       21
  SINCE MAR 1      6                         6      0       23
  SINCE JAN 1      6                         6      0       23
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED  13   RESULTANT WIND DIRECTION   W (270)
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION     W (280)
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION     W (270)
  AVERAGE WIND SPEED    13.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    83           300 AM
 LOWEST     56           300 PM
 AVERAGE    70

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


THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   69        97      1984
 MINIMUM TEMPERATURE (F)   53        42      1954


SUNRISE AND SUNSET
MAY 27 2018...........SUNRISE   552 AM PDT   SUNSET   822 PM PDT
MAY 28 2018...........SUNRISE   551 AM PDT   SUNSET   823 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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