Climatological Report (Monthly)
Issued by NWS

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CXUS56 KMTR 021519
CLMOAK


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
718 AM PST MON JAN 2 2017

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

...THE OAKLAND AIRPORT CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2016...

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              78   MM
 LOW               28   12/05/2013
HIGHEST            66   12/21                         66  12/09
LOWEST             33   12/19                         30  12/27
AVG. MAXIMUM     58.3              56.4     1.9     56.7
AVG. MINIMUM     42.8              41.5     1.3     41.4
MEAN             50.5                               49.0
DAYS MAX >= 90      0                                  0
DAYS MAX <= 32      0                                  0
DAYS MIN <= 32      0                                  2
DAYS MIN <= 0       0                                  0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        11.29   1955
 MINIMUM         0.11   2011
TOTALS           4.14              3.66    0.48     4.11
DAILY AVG.       0.13              0.12    0.01     0.13
DAYS >= .01         8                                 12
DAYS >= .10         5                                 10
DAYS >= .50         4                                  3
DAYS >= 1.00        1                                  0
GREATEST
 24 HR. TOTAL    1.48   12/15 TO 12/15           12/21 TO 12/21
                                                          12/31 TO 12/31
                                                          12/31 TO 12/31

DEGREE_DAYS
HEATING TOTAL     439               497     -58      487
 SINCE 7/1        809              1172    -363      884
COOLING TOTAL       0                 0       0        0
 SINCE 1/1        168               138      30      356
..................................................

WIND (MPH)
AVERAGE WIND SPEED              6.2
RESULTANT WIND SPEED/DIRECTION   0/332
HIGHEST WIND SPEED/DIRECTION    30/160    DATE  12/23
HIGHEST GUST SPEED/DIRECTION    36/160    DATE  12/23

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR           14
NUMBER OF DAYS PC              7
NUMBER OF DAYS CLOUDY         10

AVERAGE RH (PERCENT)     71

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                3     RAIN                       5
LIGHT RAIN                8     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      13     FOG W/VIS <= 1/4 MILE      1
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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