Climatological Report (Monthly)
Issued by NWS

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CXUS56 KMTR 040319
CLMOAK


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
819 PM PDT TUE OCT 3 2017

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

...THE OAKLAND AIRPORT CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1948 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             101   09/01/2017
 LOW               41   09/30/1950
HIGHEST           101R  09/02                         95  09/26
                        09/01
LOWEST             49   09/24                         51  09/23
                        09/23                             09/06
AVG. MAXIMUM     78.4              74.6     3.8     75.0
AVG. MINIMUM     57.9              54.4     3.5     55.8
MEAN             68.2                               65.4
DAYS MAX >= 90      4                                  3
DAYS MAX <= 32      0                                  0
DAYS MIN <= 32      0                                  0
DAYS MIN <= 0       0                                  0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         3.27   1959
 MINIMUM         0.00   2016
                        1949
TOTALS           0.07              0.22   -0.15     0.00
DAILY AVG.       0.00              0.01   -0.01     0.00
DAYS >= .01         1                                  0
DAYS >= .10         0                                  0
DAYS >= .50         0                                  0
DAYS >= 1.00        0                                  0
GREATEST
 24 HR. TOTAL    0.07   09/11 TO 09/11           09/30 TO 09/30
                                                          09/30 TO 09/30
                                                          09/30 TO 09/30

DEGREE_DAYS
HEATING TOTAL      21                60     -39       37
 SINCE 7/1         73               200    -127       93
COOLING TOTAL     122                45      77       56
 SINCE 1/1        290               125     165      154
.................................................

WIND (MPH)
AVERAGE WIND SPEED              8.1
RESULTANT WIND SPEED/DIRECTION   6/280
HIGHEST WIND SPEED/DIRECTION    28/270    DATE  09/18
HIGHEST GUST SPEED/DIRECTION    33/270    DATE  09/18

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.40
NUMBER OF DAYS FAIR           13
NUMBER OF DAYS PC             12
NUMBER OF DAYS CLOUDY          5

AVERAGE RH (PERCENT)     70

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                2     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       8     FOG W/VIS <= 1/4 MILE      0
HAZE                      6

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

$$


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