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Climatological Report (Daily)
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CDUS46 KMTR 280840
CLISFO

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
140 AM PDT WED OCT 28 2020

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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR OCTOBER 27 2020...

CLIMATE NORMAL PERIOD: 1981 TO 2010
CLIMATE RECORD PERIOD: 1927 TO 2020


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         77   4:11 PM  86    2003  68      9       69
  MINIMUM         54   3:46 AM  42    1951  52      2       52
                                      1954
  AVERAGE         66                        60      6       61

PRECIPITATION (IN)
  YESTERDAY        0.00          0.83 1981   0.05  -0.05     0.00
  MONTH TO DATE    0.00                      0.74  -0.74     0.00
  SINCE OCT 1      0.00                      0.74  -0.74     0.00
  SINCE JAN 1      4.16                     14.03  -9.87    18.49

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

DEGREE DAYS
 HEATING
  YESTERDAY        0                         5     -5        4
  MONTH TO DATE   24                        98    -74       54
  SINCE SEP 1     38                       151   -113       70
  SINCE JUL 1    102                       264   -162       99

 COOLING
  YESTERDAY        1                         0      1        0
  MONTH TO DATE  100                        20     80       51
  SINCE SEP 1    231                        64    167      167
  SINCE JAN 1    396                       161    235      384
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   2   RESULTANT WIND DIRECTION  NW (330)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     E (70)
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION     E (70)
  AVERAGE WIND SPEED     6.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.1


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    55           5:00 AM
 LOWEST     16           1:00 PM
 AVERAGE    36

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


THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   68        85      2003
 MINIMUM TEMPERATURE (F)   52        40      1954


SUNRISE AND SUNSET
OCTOBER 28 2020.......SUNRISE   7:31 AM PDT   SUNSET   6:15 PM PDT
OCTOBER 29 2020.......SUNRISE   7:32 AM PDT   SUNSET   6:14 PM PDT


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




$$
National Weather Service National Headquarters
