Climatological Report (Daily)
Issued by NWS

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407
CDUS46 KMTR 210029
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
528 PM PDT FRI APR 20 2018


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

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

PRECIPITATION (IN)
  TODAY            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)
  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            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
  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   7   RESULTANT WIND DIRECTION   W (280)
  HIGHEST WIND SPEED    28   HIGHEST WIND DIRECTION     W (270)
  HIGHEST GUST SPEED    33   HIGHEST GUST DIRECTION     W (280)
  AVERAGE WIND SPEED     8.6


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    86           300 AM
 LOWEST     56          1200 PM
 AVERAGE    71

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


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


SUNRISE AND SUNSET
APRIL 20 2018.........SUNRISE   628 AM PDT   SUNSET   750 PM PDT
APRIL 21 2018.........SUNRISE   626 AM PDT   SUNSET   751 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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