Climatological Report (Daily)
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000
CDUS46 KMTR 210826
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
126 AM PDT SAT APR 21 2018


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR APRIL 20 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         67   1120 AM  91    2009  65      2       65
  MINIMUM         49    548 AM  38    1967  49      0       54
  AVERAGE         58                        57      1       60

PRECIPITATION (IN)
  YESTERDAY        0.00          0.69 2001   0.03  -0.03      T
  MONTH TO DATE    2.24                      0.97   1.27     2.20
  SINCE OCT 1     13.85                     19.54  -5.69    30.87
  SINCE JAN 1     10.80                     12.18  -1.38    21.92

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        7                         8     -1        5
  MONTH TO DATE  146                       173    -27      141
  SINCE MAR 1    445                       487    -42      382
  SINCE JUL 1   1811                      2293   -482     1959

 COOLING
  YESTERDAY        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  10   RESULTANT WIND DIRECTION   W (270)
  HIGHEST WIND SPEED    28   HIGHEST WIND DIRECTION     W (270)
  HIGHEST GUST SPEED    35   HIGHEST GUST DIRECTION     W (270)
  AVERAGE WIND SPEED    11.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.1


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    86           300 AM
 LOWEST     56          1200 PM
 AVERAGE    71

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


THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   65        86      2009
 MINIMUM TEMPERATURE (F)   50        39      1968


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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