Climatological Report (Daily)
Issued by NWS

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000
CDUS46 KMTR 220845
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1245 AM PST MON JAN 22 2018


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JANUARY 21 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         57    434 PM  68    2014  57      0       56
  MINIMUM         42    749 AM  30    1962  44     -2       48
                                      1937
  AVERAGE         50                        50      0       52

PRECIPITATION (IN)
  YESTERDAY        T             4.07 1967   0.13  -0.13     0.28
  MONTH TO DATE    4.21                      2.88   1.33     8.33
  SINCE OCT 1      7.26                     10.24  -2.98    17.28
  SINCE JAN 1      4.21                      2.88   1.33     8.33

SNOWFALL (IN)
  YESTERDAY       MM             1.5
  MONTH TO DATE    0.0
  SINCE DEC 1      0.0
  SINCE JUL 1      0.0

DEGREE DAYS
 HEATING
  YESTERDAY       15                        15      0       13
  MONTH TO DATE  233                       315    -82      291
  SINCE DEC 1    632                       761   -129      728
  SINCE JUL 1    971                      1325   -354     1142

 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   3   RESULTANT WIND DIRECTION  SE (140)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     S (180)
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION     S (170)
  AVERAGE WIND SPEED     5.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    83          1200 AM
 LOWEST     61           500 PM
 AVERAGE    72

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


THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   57        71      1968
 MINIMUM TEMPERATURE (F)   45        32      1962


SUNRISE AND SUNSET
JANUARY 22 2018.......SUNRISE   720 AM PST   SUNSET   523 PM PST
JANUARY 23 2018.......SUNRISE   720 AM PST   SUNSET   524 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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