Climatological Report (Monthly)
Issued by NWS

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CXUS56 KMTR 050029
CLMLVK


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
528 PM PDT THU JUN 4 2015

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

...THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR THE MONTH OF MAY 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1930 TO 2015

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            90   05/01                         98  05/14
LOWEST             45   05/08                         47  05/11
AVG. MAXIMUM     72.9              75.3    -2.4     81.1
AVG. MINIMUM     52.8                               52.9
MEAN             62.8              62.3     0.5     67.0
DAYS MAX >= 90      1                                  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           0.47              0.62   -0.15        T
DAILY AVG.       0.02                                  T
DAYS >= .01         2                                  0
DAYS >= .10         1                                  0
DAYS >= .50         0                                  0
DAYS >= 1.00        0                                  0
GREATEST
 24 HR. TOTAL    0.42   05/14 TO 05/14           05/06 TO 05/06
                                                          05/31 TO 05/31
                                                          05/31 TO 05/31

DEGREE_DAYS
HEATING TOTAL      78               126     -48       37
 SINCE 7/1       1558              2748   -1190     1894
COOLING TOTAL      18                44     -26      107
 SINCE 1/1         38                53     -15      126
..................................................

WIND (MPH)
AVERAGE WIND SPEED              9.4
RESULTANT WIND SPEED/DIRECTION   8/269
HIGHEST WIND SPEED/DIRECTION    25/230    DATE  05/11
HIGHEST GUST SPEED/DIRECTION    31/220    DATE  05/11

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.40
NUMBER OF DAYS FAIR           11
NUMBER OF DAYS PC             16
NUMBER OF DAYS CLOUDY          4

AVERAGE RH (PERCENT)     61

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       1
LIGHT RAIN                2     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       1     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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