Climatological Report (Daily)
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000
CDUS46 KMTR 220826
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1226 AM PST SUN JAN 22 2017


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JANUARY 21 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         56   1241 PM  68    2014  57     -1       62
  MINIMUM         48    655 AM  30    1962  44      4       50
                                      1937
  AVERAGE         52                        50      2       56

PRECIPITATION (IN)
  YESTERDAY        0.28          4.07 1967   0.13   0.15      T
  MONTH TO DATE    8.33                      2.88   5.45     4.94
  SINCE OCT 1     17.28                     10.24   7.04     9.73
  SINCE JAN 1      8.33                      2.88   5.45     4.94

SNOWFALL (IN)
  YESTERDAY       MM             1.5
  MONTH TO DATE    0.0
  SINCE DEC 1      0.0
  SINCE JUL 1      0.0

DEGREE DAYS
 HEATING
  YESTERDAY       13                        15     -2        9
  MONTH TO DATE  307                       315     -8      265
  SINCE DEC 1    744                       761    -17      708
  SINCE JUL 1   1158                      1325   -167     1065

 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   8   RESULTANT WIND DIRECTION   S (200)
  HIGHEST WIND SPEED    31   HIGHEST WIND DIRECTION    SE (140)
  HIGHEST GUST SPEED    38   HIGHEST GUST DIRECTION    SE (150)
  AVERAGE WIND SPEED    12.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    80           700 PM
 LOWEST     61           300 PM
 AVERAGE    71

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


THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   57        71      1968
 MINIMUM TEMPERATURE (F)   45        32      1962


SUNRISE AND SUNSET
JANUARY 22 2017.......SUNRISE   720 AM PST   SUNSET   523 PM PST
JANUARY 23 2017.......SUNRISE   719 AM PST   SUNSET   524 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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