Climatological Report (Monthly)
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000
CXUS56 KMTR 021519
CLMSJC


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

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

...THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1893 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              79   12/12/1958
 LOW               19   12/23/1990
                        12/22/1990
HIGHEST            68   12/09                         71  12/09
LOWEST             30   12/19        MM               30  12/27
                        12/18
AVG. MAXIMUM     59.1              58.0     1.1     58.4
AVG. MINIMUM     41.7              41.9    -0.2     41.6
MEAN             50.4                               50.0
DAYS MAX >= 90      0                                  0
DAYS MAX <= 32      0                                  0
DAYS MIN <= 32      3                                  2
DAYS MIN <= 0       0                                  0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM           MM   MM
 MINIMUM           MM   MM
TOTALS           1.51              2.61   -1.10     2.23
DAILY AVG.       0.05              0.08   -0.03     0.07
DAYS >= .01         5                                 10
DAYS >= .10         3                                 10
DAYS >= .50         2                                  0
DAYS >= 1.00        0                                  0
GREATEST
 24 HR. TOTAL    0.53   12/23 TO 12/23           12/21 TO 12/22
                                                          12/31 TO 12/31
                                                          12/31 TO 12/31

DEGREE_DAYS
HEATING TOTAL     444               467     -23      456
 SINCE 7/1        667               874    -207      821
COOLING TOTAL       0                 0       0        0
 SINCE 1/1        706               637      69      765
..................................................

WIND (MPH)
AVERAGE WIND SPEED              5.4
RESULTANT WIND SPEED/DIRECTION   1/245
HIGHEST WIND SPEED/DIRECTION    24/120    DATE  12/23
HIGHEST GUST SPEED/DIRECTION    35/310    DATE  12/02

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR           14
NUMBER OF DAYS PC              8
NUMBER OF DAYS CLOUDY          9

AVERAGE RH (PERCENT)     66

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       4
LIGHT RAIN                8     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                      3

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

$$



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