Climatological Report (Daily)
Issued by NWS

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000
CDUS46 KMTR 180840
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1239 AM PST SAT NOV 18 2017


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR NOVEMBER 17 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         61    343 PM  73    2008  62     -1       61
                                      1989
  MINIMUM         51   1144 PM  36    1964  48      3       46
                                      1961
                                      1958
  AVERAGE         56                        55      1       54

PRECIPITATION (IN)
  YESTERDAY        0.01          0.91 1996   0.08  -0.07     0.00
  MONTH TO DATE    2.38                      1.18   1.20     0.02
  SINCE OCT 1      2.59                      2.13   0.46     2.80
  SINCE JAN 1     24.78                     15.42   9.36    15.24

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        9                        10     -1       11
  MONTH TO DATE  112                       133    -21       60
  SINCE SEP 1    188                       307   -119      178
  SINCE JUL 1    248                       420   -172      281

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        1
  SINCE SEP 1    214                        66    148       77
  SINCE JAN 1    346                       163    183      142
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   5   RESULTANT WIND DIRECTION   N (350)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     N (360)
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION     N (340)
  AVERAGE WIND SPEED     8.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.3


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    89           100 AM
 LOWEST     51           100 PM
 AVERAGE    70

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


THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   62        74      1949
 MINIMUM TEMPERATURE (F)   48        36      1964


SUNRISE AND SUNSET
NOVEMBER 18 2017......SUNRISE   653 AM PST   SUNSET   456 PM PST
NOVEMBER 19 2017......SUNRISE   654 AM PST   SUNSET   456 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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