Climatological Report (Monthly)
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000
CXUS56 KMTR 012253
CLMOAK

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
353 PM PDT THU OCT 01 2020

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

...THE OAKLAND AIRPORT CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2020...

CLIMATE NORMAL PERIOD: 1981 TO 2010
CLIMATE RECORD PERIOD: 1948 TO 2020

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH            104   09/06/2020
                       09/06/2020
 LOW              41   09/30/1950
HIGHEST          104R  09/06                          96  09/25
LOWEST            55   09/11                          47  09/29
                       09/12
AVG. MAXIMUM    79.9               74.6     5.3     77.5
AVG. MINIMUM    60.4               54.4     6.0     58.1
MEAN            70.2                                67.8
DAYS MAX >= 90     5                                   4
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
TOTALS             T               0.22   -0.22     0.23
DAILY AVG.         T               0.01   -0.01     0.01
DAYS >= .01        0                                   2
DAYS >= .10        0                                   1
DAYS >= .50        0                                   0
DAYS >= 1.00       0                                   0
GREATEST
 24 HR. TOTAL      T   09/04 TO 09/04               0.16  09/16 TO 09/16
                       09/16 TO 09/16
                       09/17 TO 09/17


DEGREE DAYS
HEATING TOTAL      3                 60     -57       15
 SINCE 7/1        10                204    -194       30
COOLING TOTAL    155                 45     110      105
 SINCE 1/1       466                125     341      364
................................................................

WIND (MPH)
AVERAGE WIND SPEED              6.8
RESULTANT WIND SPEED/DIRECTION   5/290
HIGHEST WIND SPEED/DIRECTION    26/260    DATE  09/24
HIGHEST GUST SPEED/DIRECTION    30/270    DATE  09/24

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.54
NUMBER OF DAYS FAIR            9
NUMBER OF DAYS PC             15
NUMBER OF DAYS CLOUDY          6

AVERAGE RH (PERCENT)     67

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      2
HAZE                     13

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

$$


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