Climatological Report (Monthly)
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CXUS56 KMTR 021519
CLMLVK


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

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

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

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1930 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              79   MM
 LOW               24   12/05/2013
                        12/08/2009
                        12/06/2009
HIGHEST            64   12/09                         69  12/09
                        12/03
LOWEST             26   12/19                         26  12/27
                        12/18
AVG. MAXIMUM     56.7              56.2     0.5     57.3
AVG. MINIMUM     36.9                               37.2
MEAN             46.8              47.0    -0.2     47.3
DAYS MAX >= 90      0                                  0
DAYS MAX <= 32      0                                  0
DAYS MIN <= 32      9                                  7
DAYS MIN <= 0       0                                  0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM           MM   MM
 MINIMUM           MM   MM
TOTALS           2.46              2.68   -0.22     2.56
DAILY AVG.       0.08                               0.08
DAYS >= .01         6                                 12
DAYS >= .10         5                                  7
DAYS >= .50         2                                  1
DAYS >= 1.00        0                                  0
GREATEST
 24 HR. TOTAL    0.72   12/15 TO 12/15           12/21 TO 12/22
                                                          12/31 TO 12/31
                                                          12/31 TO 12/31

DEGREE_DAYS
HEATING TOTAL     556               559      -3      543
 SINCE 7/1        928              1031    -103      958
COOLING TOTAL       0                 0       0        0
 SINCE 1/1        955               830     125     1463
..................................................

WIND (MPH)
AVERAGE WIND SPEED              4.3
RESULTANT WIND SPEED/DIRECTION   1/058
HIGHEST WIND SPEED/DIRECTION    26/270    DATE  12/16
HIGHEST GUST SPEED/DIRECTION    34/030    DATE  12/02

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.30
NUMBER OF DAYS FAIR           21
NUMBER OF DAYS PC              4
NUMBER OF DAYS CLOUDY          6

AVERAGE RH (PERCENT)     70

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                3     RAIN                       5
LIGHT RAIN                7     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      2
HAZE                      1

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

$$



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