Climatological Report (Monthly)
Issued by NWS

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000
CXUS56 KMTR 012218
CLMSFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
317 PM PDT WED OCT 1 2014

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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 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             103   09/14/1971
 LOW               41   09/30/1950
HIGHEST            83   09/01                         88  09/07
LOWEST             56   09/10                         53  09/28
                                                          09/26
AVG. MAXIMUM     75.8              73.6     2.2     73.8
AVG. MINIMUM     61.0                               57.2
MEAN             68.4              64.7     3.7     65.5
DAYS MAX >= 90      0                                  0
DAYS MAX <= 32      0                                  0
DAYS MIN <= 32      0                                  0
DAYS MIN <= 0       0                                  0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         2.30   1959
 MINIMUM         0.00   2012
                        2008
                        2006
TOTALS           0.42              0.17    0.25     0.23
DAILY AVG.       0.01              0.01    0.00     0.01
DAYS >= .01         2                                  1
DAYS >= .10         1                                  1
DAYS >= .50         0                                  0
DAYS >= 1.00        0                                  0
GREATEST
 24 HR. TOTAL    0.41   09/24 TO 09/25           09/21 TO 09/21
                                                          09/30 TO 09/30
                                                          09/30 TO 09/30

DEGREE_DAYS
HEATING TOTAL       3                53     -50       18
 SINCE 7/1         23               166    -143      133
COOLING TOTAL     112                44      68       41
 SINCE 1/1        365               141     224      141
.................................................

WIND (MPH)
AVERAGE WIND SPEED              10.3
RESULTANT WIND SPEED/DIRECTION   9/279
HIGHEST WIND SPEED/DIRECTION    29/290    DATE  09/12
HIGHEST GUST SPEED/DIRECTION    33/270    DATE  09/26

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR            8
NUMBER OF DAYS PC             20
NUMBER OF DAYS CLOUDY          2

AVERAGE RH (PERCENT)     73

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       1
LIGHT RAIN                5     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       6     FOG W/VIS <= 1/4 MILE      0
HAZE                      1

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

$$


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