Climatological Report (Monthly)
Issued by NWS

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CXUS56 KMTR 040109
CLMLVK


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
609 PM PDT SAT JUN 3 2017

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

...THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR THE MONTH OF MAY 2017...

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             104   05/17/2009
                        05/31/2001
 LOW               32   05/05/1952
                        05/04/1952
HIGHEST            96   05/22                         98  05/31
LOWEST             44   05/18                         47  05/01
AVG. MAXIMUM     77.9              75.3     2.6     77.4
AVG. MINIMUM     51.0                               52.5
MEAN             64.4              62.3     2.1     64.9
DAYS MAX >= 90      6                                  4
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           0.03              0.62   -0.59     0.20
DAILY AVG.       0.00                               0.01
DAYS >= .01         1                                  3
DAYS >= .10         0                                  1
DAYS >= .50         0                                  0
DAYS >= 1.00        0                                  0
GREATEST
 24 HR. TOTAL    0.03   05/31 TO 05/31           05/06 TO 05/06
                                                          05/31 TO 05/31
                                                          05/31 TO 05/31

DEGREE_DAYS
HEATING TOTAL      82               126     -44       61
 SINCE 7/1       2434              2748    -314     2186
COOLING TOTAL      75                44      31       64
 SINCE 1/1         75                53      22       72
..................................................

WIND (MPH)
AVERAGE WIND SPEED              8.0
RESULTANT WIND SPEED/DIRECTION   6/266
HIGHEST WIND SPEED/DIRECTION    23/270    DATE  05/12
HIGHEST GUST SPEED/DIRECTION    30/270    DATE  05/12

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.20
NUMBER OF DAYS FAIR           24
NUMBER OF DAYS PC              6
NUMBER OF DAYS CLOUDY          1

AVERAGE RH (PERCENT)     61

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                       2     FOG W/VIS <= 1/4 MILE      0
HAZE                      3

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

$$



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