Climatological Report (Monthly)
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CXUS56 KMTR 021519
CLMNUQ


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

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

...THE MOFFETT FIELD NAS CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1945 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              78   12/05/2003
 LOW               23   12/23/1990
HIGHEST            67   12/09                         70  12/09
LOWEST             32   12/19                         29  12/27
                        12/18
AVG. MAXIMUM     58.1              58.9    -0.8     57.6
AVG. MINIMUM     41.9                               41.3
MEAN             50.0                               49.4
DAYS MAX >= 90      0                                  0
DAYS MAX <= 32      0                                  0
DAYS MIN <= 32      2                                  1
DAYS MIN <= 0       0                                  0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         9.55   1955
 MINIMUM         0.02   1989
TOTALS           1.48                               1.93
DAILY AVG.       0.05              0.08   -0.03     0.06
DAYS >= .01         5                                 11
DAYS >= .10         3                                  7
DAYS >= .50         2                                  0
DAYS >= 1.00        0                                  0
GREATEST
 24 HR. TOTAL    0.54   12/23 TO 12/23           12/21 TO 12/22
                                                          12/31 TO 12/31
                                                          12/31 TO 12/31

DEGREE_DAYS
HEATING TOTAL     459                                472
 SINCE 7/1        746                                815
COOLING TOTAL       0                                  0
 SINCE 1/1        460                                667
..................................................

WIND (MPH)
AVERAGE WIND SPEED              4.6
RESULTANT WIND SPEED/DIRECTION   1/337
HIGHEST WIND SPEED/DIRECTION    21/130    DATE  12/08
HIGHEST GUST SPEED/DIRECTION    30/280    DATE  12/16

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.30
NUMBER OF DAYS FAIR           22
NUMBER OF DAYS PC              3
NUMBER OF DAYS CLOUDY          6

AVERAGE RH (PERCENT)     68

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       2
LIGHT RAIN                6     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       7     FOG W/VIS <= 1/4 MILE      0
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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