Climatological Report (Daily)
Issued by NWS

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000
CDUS46 KMTR 231245
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
445 AM PST TUE JAN 23 2018


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JANUARY 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         58    252 PM  71    1968  57      1       57
  MINIMUM         51   1159 PM  32    1962  45      6       47
  AVERAGE         55                        51      4       52

PRECIPITATION (IN)
  YESTERDAY        0.25          1.55 1983   0.12   0.13     0.68
  MONTH TO DATE    4.46                      3.00   1.46     9.01
  SINCE OCT 1      7.51                     10.36  -2.85    17.96
  SINCE JAN 1      4.46                      3.00   1.46     9.01

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

DEGREE DAYS
 HEATING
  YESTERDAY       10                        14     -4       13
  MONTH TO DATE  243                       329    -86      304
  SINCE DEC 1    642                       775   -133      741
  SINCE JUL 1    981                      1339   -358     1155

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1      0                         0      0        0
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   5   RESULTANT WIND DIRECTION   W (280)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     W (280)
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION    NW (310)
  AVERAGE WIND SPEED     9.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  RAIN
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           500 AM
 LOWEST     51           100 PM
 AVERAGE    72

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


THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   57        71      1948
 MINIMUM TEMPERATURE (F)   45        31      1949


SUNRISE AND SUNSET
JANUARY 23 2018.......SUNRISE   720 AM PST   SUNSET   524 PM PST
JANUARY 24 2018.......SUNRISE   719 AM PST   SUNSET   525 PM PST


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




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