Climatological Report (Monthly)
Issued by NWS

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CXUS56 KMTR 012302
CLMNUQ


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

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

...THE MOFFETT FIELD NAS CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2014...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1945 TO 2014

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            71   12/08                         71  12/24
LOWEST             35   12/27                         29  12/10
                                                          12/09
                                                          12/05
AVG. MAXIMUM     61.9              58.9     3.0     60.0
AVG. MINIMUM     48.9                               36.8
MEAN             55.4                               48.4
DAYS MAX >= 90      0                                  0
DAYS MAX <= 32      0                                  0
DAYS MIN <= 32      0                                  5
DAYS MIN <= 0       0                                  0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         9.55   1955
 MINIMUM         0.02   1989
TOTALS           8.53                               0.16
DAILY AVG.       0.28              0.08    0.20     0.01
DAYS >= .01        19                                  2
DAYS >= .10        10                                  0
DAYS >= .50         4                                  0
DAYS >= 1.00        3                                  0
GREATEST
 24 HR. TOTAL    3.48   12/11 TO 12/12           12/06 TO 12/07
                                                          12/31 TO 12/31
                                                          12/31 TO 12/31

DEGREE_DAYS
HEATING TOTAL     291                                506
 SINCE 7/1        518                                878
COOLING TOTAL       0                                  0
 SINCE 1/1        643                                478
..................................................

WIND (MPH)
AVERAGE WIND SPEED              4.6
RESULTANT WIND SPEED/DIRECTION   1/107
HIGHEST WIND SPEED/DIRECTION    31/350    DATE  12/30
HIGHEST GUST SPEED/DIRECTION    40/360    DATE  12/30

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.40
NUMBER OF DAYS FAIR           13
NUMBER OF DAYS PC             10
NUMBER OF DAYS CLOUDY          8

AVERAGE RH (PERCENT)     76

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                6     RAIN                       6
LIGHT RAIN               16     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      20     FOG W/VIS <= 1/4 MILE      1
HAZE                      2

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

$$


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