CDUS46 KMTR 170830
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1229 AM PST FRI JAN 17 2020


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JANUARY 16 2020...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1927 TO 2020


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         54    413 PM  73    2014  56     -2       63
  MINIMUM         44   1159 PM  31    1962  44      0       52
  AVERAGE         49                        50     -1       58

PRECIPITATION (IN)
  YESTERDAY        0.72          1.84 1973   0.13   0.59     1.16
  MONTH TO DATE    1.00                      2.24  -1.24     3.76
  SINCE OCT 1      6.01                      9.60  -3.59     8.64
  SINCE JAN 1      1.00                      2.24  -1.24     3.76

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

DEGREE DAYS
 HEATING
  YESTERDAY       16                        15      1        7
  MONTH TO DATE  222                       240    -18      166
  SINCE DEC 1    570                       686   -116      548
  SINCE JUL 1    939                      1250   -311     1075

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1      0                         0      0        0
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   7   RESULTANT WIND DIRECTION  SE (150)
  HIGHEST WIND SPEED    28   HIGHEST WIND DIRECTION     W (270)
  HIGHEST GUST SPEED    33   HIGHEST GUST DIRECTION     W (280)
  AVERAGE WIND SPEED    11.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  THUNDERSTORM
  HEAVY RAIN
  RAIN
  LIGHT RAIN
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    89          1100 PM
 LOWEST     59           400 PM
 AVERAGE    74

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


THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   56        70      1991
 MINIMUM TEMPERATURE (F)   44        32      1947


SUNRISE AND SUNSET
JANUARY 17 2020.......SUNRISE   723 AM PST   SUNSET   517 PM PST
JANUARY 18 2020.......SUNRISE   722 AM PST   SUNSET   518 PM PST


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




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