Climatological Report (Daily)
Issued by NWS

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000
CDUS46 KMTR 310837
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
137 AM PDT FRI JUL 31 2015


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JULY 30 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1927 TO 2015


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         73    146 PM  97    1977  72      1       72
  MINIMUM         60   1159 PM  45    1954  56      4       58
  AVERAGE         67                        64      3       65

PRECIPITATION (IN)
  YESTERDAY        0.00          0.03 1966   0.00   0.00     0.00
  MONTH TO DATE    T                         0.00   0.00      T
  SINCE OCT 1     16.59                     20.44  -3.85     8.57
  SINCE JAN 1      3.63                     13.08  -9.45     7.31

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

DEGREE DAYS
 HEATING
  YESTERDAY        0                         2     -2        0
  MONTH TO DATE    5                        60    -55       19
  SINCE JUN 1     80                       165    -85       68
  SINCE JUL 1      5                        60    -55       19

 COOLING
  YESTERDAY        2                         1      1        0
  MONTH TO DATE   61                        30     31       83
  SINCE JUN 1     78                        51     27      118
  SINCE JAN 1     91                        70     21      181
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED  12   RESULTANT WIND DIRECTION  NW (300)
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION     W (290)
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION     W (290)
  AVERAGE WIND SPEED    13.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    90          1200 AM
 LOWEST     61           300 PM
 AVERAGE    76

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


THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   72        97      1993
 MINIMUM TEMPERATURE (F)   56        49      1956


SUNRISE AND SUNSET
JULY 31 2015..........SUNRISE   612 AM PDT   SUNSET   819 PM PDT
AUGUST  1 2015........SUNRISE   613 AM PDT   SUNSET   818 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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