Climatological Report (Daily)
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165
CDUS46 KMTR 220028
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
528 PM PDT SAT APR 21 2018


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR APRIL 21 2018...
VALID TODAY AS OF 0500 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         75    149 PM  86    2009  65     10       74
  MINIMUM         50    541 AM  39    1968  50      0       51
  AVERAGE         63                        57      6       63

PRECIPITATION (IN)
  TODAY            0.00          0.83 1961   0.04  -0.04     0.00
  MONTH TO DATE    2.24                      1.01   1.23     2.20
  SINCE OCT 1     13.85                     19.58  -5.73    30.87
  SINCE JAN 1     10.80                     12.22  -1.42    21.92

SNOWFALL (IN)
  TODAY            0.0           0.0
  MONTH TO DATE    0.0
  SINCE MAR 1      0.0
  SINCE JUL 1      0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  TODAY            2                         8     -6        2
  MONTH TO DATE  148                       181    -33      143
  SINCE MAR 1    447                       495    -48      384
  SINCE JUL 1   1813                      2301   -488     1961

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        1
  SINCE MAR 1      4                         1      3        1
  SINCE JAN 1      4                         1      3        1
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   5   RESULTANT WIND DIRECTION  NW (300)
  HIGHEST WIND SPEED    24   HIGHEST WIND DIRECTION     W (290)
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION     W (280)
  AVERAGE WIND SPEED     7.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.1


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    83           500 AM
 LOWEST     41           200 PM
 AVERAGE    62

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


THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   65        83      2013
 MINIMUM TEMPERATURE (F)   50        42      1963
                                             1961
                                             1951


SUNRISE AND SUNSET
APRIL 21 2018.........SUNRISE   626 AM PDT   SUNSET   751 PM PDT
APRIL 22 2018.........SUNRISE   625 AM PDT   SUNSET   752 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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