Climatological Report (Monthly)
Issued by NWS

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CXUS56 KMTR 011430
CLMLVK


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
730 AM PDT SAT JUN 1 2013

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

...THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR THE MONTH OF MAY 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1930 TO 2013

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             104   05/17/2009
                        05/31/2001
 LOW               32   05/05/1952
                        05/04/1952
HIGHEST            94   05/11                         96  05/31
LOWEST             44   05/22                         42  05/05
AVG. MAXIMUM     78.1              75.3     2.8     78.0
AVG. MINIMUM     51.8                               49.4
MEAN             64.9              62.3     2.6     63.7
DAYS MAX >= 90      6                                  6
DAYS MAX <= 32      0                                  0
DAYS MIN <= 32      0                                  0
DAYS MIN <= 0       0                                  0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM           MM   MM
 MINIMUM           MM   MM
TOTALS           0.12              0.62   -0.50     0.04
DAILY AVG.       0.00                               0.00
DAYS >= .01         3                                  2
DAYS >= .10         0                                  0
DAYS >= .50         0                                  0
DAYS >= 1.00        0                                  0
GREATEST
 24 HR. TOTAL    0.09   05/06 TO 05/06           05/03 TO 05/04
                                                          05/31 TO 05/31
                                                          05/31 TO 05/31

DEGREE_DAYS
HEATING TOTAL      63               126     -63       79
 SINCE 7/1       2390              2748    -358     2562
COOLING TOTAL      68                44      24       47
 SINCE 1/1        101                53      48       74
..................................................

WIND (MPH)
AVERAGE WIND SPEED              7.9
RESULTANT WIND SPEED/DIRECTION   6/264
HIGHEST WIND SPEED/DIRECTION    24/270    DATE  05/21
HIGHEST GUST SPEED/DIRECTION    28/250    DATE  05/21

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.20
NUMBER OF DAYS FAIR           20
NUMBER OF DAYS PC              9
NUMBER OF DAYS CLOUDY          2

AVERAGE RH (PERCENT)     55

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                3     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       3     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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