Climatological Report (Daily)
Issued by NWS

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255
CDUS46 KMTR 230827
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
127 AM PDT WED MAY 23 2018


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR MAY 22 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         61    148 PM  83    1954  68     -7       70
  MINIMUM         54    615 AM  44    1952  52      2       51
                                      1909
  AVERAGE         58                        60     -2       61

PRECIPITATION (IN)
  YESTERDAY        0.00          0.20 1958   0.02  -0.02     0.00
  MONTH TO DATE    T                         0.38  -0.38      T
  SINCE OCT 1     13.85                     20.24  -6.39    30.87
  SINCE JAN 1     10.80                     12.88  -2.08    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                         5      2        4
  MONTH TO DATE  102                       136    -34       94
  SINCE MAR 1    593                       698   -105      526
  SINCE JUL 1   1959                      2504   -545     2103

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    2                         0      2       21
  SINCE MAR 1      6                         6      0       23
  SINCE JAN 1      6                         6      0       23
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED  11   RESULTANT WIND DIRECTION   W (250)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     W (260)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION    SW (240)
  AVERAGE WIND SPEED    11.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    86           800 PM
 LOWEST     69           200 PM
 AVERAGE    78

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


THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   68        88      2000
 MINIMUM TEMPERATURE (F)   52        46      1954


SUNRISE AND SUNSET
MAY 23 2018...........SUNRISE   554 AM PDT   SUNSET   819 PM PDT
MAY 24 2018...........SUNRISE   554 AM PDT   SUNSET   820 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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