Climatological Report (Monthly)
Issued by NWS

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CXUS56 KMTR 011804
CLMLVK


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1104 AM PDT SUN MAY 1 2016

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

...THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR THE MONTH OF APRIL 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1930 TO 2016

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              96   04/29/1981
 LOW               29   04/01/1976
                        04/28/1970
                        04/24/1964
HIGHEST            88   04/18                         90  04/30
LOWEST             39   04/15                         38  04/03
AVG. MAXIMUM     72.4              68.6     3.8     74.4
AVG. MINIMUM     48.4                               46.7
MEAN             60.4              56.6     3.8     60.6
DAYS MAX >= 90      0                                  1
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           1.67              1.00    0.67     0.93
DAILY AVG.       0.06                               0.03
DAYS >= .01         6                                  4
DAYS >= .10         4                                  2
DAYS >= .50         1                                  1
DAYS >= 1.00        0                                  0
GREATEST
 24 HR. TOTAL    0.76   04/09 TO 04/10           04/07 TO 04/07
                                                          04/30 TO 04/30
                                                          04/30 TO 04/30

DEGREE_DAYS
HEATING TOTAL     140               258    -118      135
 SINCE 7/1       2125              2622    -497     1471
COOLING TOTAL       8                 8       0       14
 SINCE 1/1          8                 9      -1       20
.................................................

WIND (MPH)
AVERAGE WIND SPEED              6.7
RESULTANT WIND SPEED/DIRECTION   4/265
HIGHEST WIND SPEED/DIRECTION    24/350    DATE  04/30
HIGHEST GUST SPEED/DIRECTION    35/350    DATE  04/30

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.30
NUMBER OF DAYS FAIR           20
NUMBER OF DAYS PC              6
NUMBER OF DAYS CLOUDY          4

AVERAGE RH (PERCENT)     62

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       5
LIGHT RAIN                6     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       8     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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