Climatological Report (Monthly)
Issued by NWS

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CXUS56 KMTR 012302
CLMOAK


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
302 PM PST THU JAN 1 2015

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

...THE OAKLAND AIRPORT CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2014...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1948 TO 2014

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            68   12/08                         72  12/29
LOWEST             36   12/31                         28  12/05
AVG. MAXIMUM     61.1              56.4     4.7     58.0
AVG. MINIMUM     48.9              41.5     7.4     34.8
MEAN             55.0                               46.4
DAYS MAX >= 90      0                                  0
DAYS MAX <= 32      0                                  0
DAYS MIN <= 32      0                                  9
DAYS MIN <= 0       0                                  0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        11.29   1955
 MINIMUM         0.11   2011
TOTALS           8.86              3.66    5.20     0.28
DAILY AVG.       0.29              0.12    0.17     0.01
DAYS >= .01        15                                  2
DAYS >= .10        11                                  1
DAYS >= .50         5                                  0
DAYS >= 1.00        4                                  0
GREATEST
 24 HR. TOTAL    3.23   12/11 TO 12/12           12/06 TO 12/07
                                                          12/31 TO 12/31
                                                          12/31 TO 12/31

DEGREE_DAYS
HEATING TOTAL     302               497    -195      568
 SINCE 7/1        639              1172    -533     1123
COOLING TOTAL       0                 0       0        0
 SINCE 1/1        305               138     167      212
..................................................

WIND (MPH)
AVERAGE WIND SPEED              7.0
RESULTANT WIND SPEED/DIRECTION   2/107
HIGHEST WIND SPEED/DIRECTION    41/020    DATE  12/30
HIGHEST GUST SPEED/DIRECTION    53/040    DATE  12/30

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.70
NUMBER OF DAYS FAIR            5
NUMBER OF DAYS PC             11
NUMBER OF DAYS CLOUDY         15

AVERAGE RH (PERCENT)     78

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                6     RAIN                      11
LIGHT RAIN               18     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      23     FOG W/VIS <= 1/4 MILE      4
HAZE                      3

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

$$



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