Climatological Report (Daily)
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000
CDUS46 KMTR 180845
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
145 AM PDT THU APR 18 2019


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR APRIL 17 2019...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1927 TO 2019


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         70    148 PM  83    2016  65      5       63
  MINIMUM         49    555 AM  40    1963  49      0       45
  AVERAGE         60                        57      3       54

PRECIPITATION (IN)
  YESTERDAY        0.00          0.80 1957   0.04  -0.04     0.00
  MONTH TO DATE    0.20                      0.86  -0.66     2.24
  SINCE OCT 1     21.31                     19.43   1.88    13.85
  SINCE JAN 1     16.43                     12.07   4.36    10.80

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

DEGREE DAYS
 HEATING
  YESTERDAY        5                         8     -3       11
  MONTH TO DATE  118                       149    -31      121
  SINCE MAR 1    433                       463    -30      420
  SINCE JUL 1   2053                      2269   -216     1786

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE MAR 1      0                         1     -1        4
  SINCE JAN 1      0                         1     -1        4
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED  10   RESULTANT WIND DIRECTION   W (290)
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION     W (290)
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION     W (290)
  AVERAGE WIND SPEED    11.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.2


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           100 AM
 LOWEST     48           400 PM
 AVERAGE    71

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


THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   65        83      1950
 MINIMUM TEMPERATURE (F)   49        39      1968
                                             1967


SUNRISE AND SUNSET
APRIL 18 2019.........SUNRISE   631 AM PDT   SUNSET   748 PM PDT
APRIL 19 2019.........SUNRISE   629 AM PDT   SUNSET   749 PM PDT


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




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