Climatological Report (Daily)
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120
CDUS46 KMTR 200827
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1226 AM PST FRI JAN 20 2017


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JANUARY 19 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         58   1241 PM  68    1976  56      2       62
  MINIMUM         51   1159 PM  35    1980  44      7       53
  AVERAGE         55                        50      5       58

PRECIPITATION (IN)
  YESTERDAY        0.05          1.52 2010   0.12  -0.07     1.04
  MONTH TO DATE    6.86                      2.63   4.23     4.94
  SINCE OCT 1     15.81                      9.99   5.82     9.73
  SINCE JAN 1      6.86                      2.63   4.23     4.94

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       10                        15     -5        7
  MONTH TO DATE  263                       285    -22      243
  SINCE DEC 1    700                       731    -31      686
  SINCE JUL 1   1114                      1295   -181     1043

 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  10   RESULTANT WIND DIRECTION  SW (220)
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION    SW (230)
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION    SW (230)
  AVERAGE WIND SPEED    11.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    77          1200 AM
 LOWEST     62           200 PM
 AVERAGE    70

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


THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   57        67      1976
 MINIMUM TEMPERATURE (F)   44        30      1963


SUNRISE AND SUNSET
JANUARY 20 2017.......SUNRISE   721 AM PST   SUNSET   521 PM PST
JANUARY 21 2017.......SUNRISE   721 AM PST   SUNSET   522 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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