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239
CXUS56 KMTR 021343
CLMSFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
642 AM PDT TUE SEP 2 2014

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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2014...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1927 TO 2014

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             100   08/01/1993
 LOW               42   08/21/1928
HIGHEST            80   08/30                         78  08/30
                                                          08/18
LOWEST             57   08/23                         53  08/03
                        08/17                             08/02
AVG. MAXIMUM     74.0              72.7     1.3     71.6
AVG. MINIMUM     60.0                               57.3
MEAN             67.0              64.5     2.5     64.4
DAYS MAX >= 90      0                                  0
DAYS MAX <= 32      0                                  0
DAYS MIN <= 32      0                                  0
DAYS MIN <= 0       0                                  0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         0.66   1976
 MINIMUM         0.00   2011
                        2009
                        2007
TOTALS              T              0.04   -0.04        T
DAILY AVG.          T              0.00    0.00        T
DAYS >= .01         0                                  0
DAYS >= .10         0                                  0
DAYS >= .50         0                                  0
DAYS >= 1.00        0                                  0
GREATEST
 24 HR. TOTAL       T   08/06 TO 08/06           08/26 TO 08/26
                                                          08/31 TO 08/31
                                                          08/31 TO 08/31

DEGREE_DAYS
HEATING TOTAL       1                48     -47       37
 SINCE 7/1         20               113     -93      115
COOLING TOTAL      72                33      39       28
 SINCE 1/1        253                97     156      100
..................................................

WIND (MPH)
AVERAGE WIND SPEED              10.9
RESULTANT WIND SPEED/DIRECTION   9/280
HIGHEST WIND SPEED/DIRECTION    30/280    DATE  08/28
HIGHEST GUST SPEED/DIRECTION    36/270    DATE  08/30

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR            8
NUMBER OF DAYS PC             19
NUMBER OF DAYS CLOUDY          4

AVERAGE RH (PERCENT)     74

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                1     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       1     FOG W/VIS <= 1/4 MILE      0
HAZE                      0

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

$$




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