Climatological Report (Monthly)
Issued by NWS

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CXUS56 KMTR 012355
CLMOAK


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
355 PM PST TUE JAN 1 2019

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

...THE OAKLAND AIRPORT CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1948 TO 2018

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              78   MM
 LOW               28   12/05/2013
HIGHEST            65   12/13                         67  12/05
                        12/06
LOWEST             36   12/29                         31  12/22
AVG. MAXIMUM     59.6              56.4     3.2     59.7
AVG. MINIMUM     44.4              41.5     2.9     37.7
MEAN             52.0                               48.7
DAYS MAX >= 90      0                                  0
DAYS MAX <= 32      0                                  0
DAYS MIN <= 32      0                                  1
DAYS MIN <= 0       0                                  0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        11.29   1955
 MINIMUM         0.09   2017
TOTALS           1.96              3.66   -1.70     0.09
DAILY AVG.       0.06              0.12   -0.06     0.00
DAYS >= .01         9                                  3
DAYS >= .10         5                                  0
DAYS >= .50         2                                  0
DAYS >= 1.00        0                                  0
GREATEST
 24 HR. TOTAL    0.70   12/16 TO 12/16           12/20 TO 12/20
                                                          12/31 TO 12/31EATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                                                          12/31 TO 12/31EATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S

DEGREE_DAYS
HEATING TOTAL     398               497     -99      499
 SINCE 7/1        975              1172    -197      961
COOLING TOTAL       0                 0       0        0
 SINCE 1/1         63               138     -75      312
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              6.1
RESULTANT WIND SPEED/DIRECTION   2/034
HIGHEST WIND SPEED/DIRECTION    33/290    DATE  12/24
HIGHEST GUST SPEED/DIRECTION    40/300    DATE  12/24

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR            8
NUMBER OF DAYS PC             13
NUMBER OF DAYS CLOUDY         10

AVERAGE RH (PERCENT)     73

WEATHER CONDITIONS. NUMBER OF DAYS WITH
  0
  4
  0
  0
  0
  0
  2
HAZE                      9

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

$$


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