Climatological Report (Daily)
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000
CDUS46 KMTR 190826
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1226 AM PST MON FEB 19 2018


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR FEBRUARY 18 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         58   1023 PM  71    1977  60     -2       57
  MINIMUM         45   1159 PM  33    1956  47     -2       50
  AVERAGE         52                        53     -1       54

PRECIPITATION (IN)
  YESTERDAY        0.02          1.75 1958   0.14  -0.12     0.19
  MONTH TO DATE    0.02                      2.64  -2.62     4.80
  SINCE OCT 1      7.92                     14.19  -6.27    23.08
  SINCE JAN 1      4.87                      6.83  -1.96    14.13

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

DEGREE DAYS
 HEATING
  YESTERDAY       13                        12      1       11
  MONTH TO DATE  114                       226   -112      147
  SINCE DEC 1    864                      1129   -265     1023
  SINCE JUL 1   1203                      1693   -490     1437

 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  21   RESULTANT WIND DIRECTION   W (290)
  HIGHEST WIND SPEED    37   HIGHEST WIND DIRECTION     W (270)
  HIGHEST GUST SPEED    41   HIGHEST GUST DIRECTION     W (270)
  AVERAGE WIND SPEED    21.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    89          1200 AM
 LOWEST     47           200 PM
 AVERAGE    68

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


THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   60        72      1964
 MINIMUM TEMPERATURE (F)   47        36      1990
                                             1954


SUNRISE AND SUNSET
FEBRUARY 19 2018......SUNRISE   654 AM PST   SUNSET   553 PM PST
FEBRUARY 20 2018......SUNRISE   653 AM PST   SUNSET   554 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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