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Climatological Report (Daily)
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CDUS46 KMTR 210826
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
126 AM PDT FRI SEP 21 2018


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 20 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         85    200 PM  93    2015  74     11       71
                                      1990
                                      1983
  MINIMUM         53    140 PM  48    1965  56     -3       59
                                      1954
                                      1947
  AVERAGE         69                        65      4       65

PRECIPITATION (IN)
  YESTERDAY        0.00          0.08 2005   0.00   0.00     0.00
  MONTH TO DATE    0.00                      0.08  -0.08     0.22
  SINCE OCT 1     13.86                     20.56  -6.70    31.14
  SINCE JAN 1     10.81                     13.20  -2.39    22.19

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

DEGREE DAYS
 HEATING
  YESTERDAY        0                         2     -2        0
  MONTH TO DATE   51                        40     11        1
  SINCE SEP 1     51                        40     11        1
  SINCE JUL 1    169                       153     16       61

 COOLING
  YESTERDAY        4                         1      3        0
  MONTH TO DATE    4                        35    -31      128
  SINCE SEP 1      4                        35    -31      128
  SINCE JAN 1     40                       132    -92      260
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   4   RESULTANT WIND DIRECTION  NW (300)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     W (290)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     W (290)
  AVERAGE WIND SPEED     5.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    75           700 AM
 LOWEST     28           400 PM
 AVERAGE    52

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


THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   74        95      2003
 MINIMUM TEMPERATURE (F)   56        45      1955


SUNRISE AND SUNSET
SEPTEMBER 21 2018.....SUNRISE   657 AM PDT   SUNSET   708 PM PDT
SEPTEMBER 22 2018.....SUNRISE   657 AM PDT   SUNSET   706 PM PDT


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




$$
National Weather Service National Headquarters
