Climatological Report (Monthly)
Issued by NWS

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CXUS56 KMTR 021802
CLMLVK


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1102 AM PDT WED MAY 2 2018

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

...THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR THE MONTH OF APRIL 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1930 TO 2018

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            85   04/23                         83  04/30
LOWEST             36   04/17                         36  04/09
AVG. MAXIMUM     69.6              68.6     1.0     68.8
AVG. MINIMUM     45.5                               46.2
MEAN             57.5              56.6     0.9     57.5
DAYS MAX >= 90      0                                  0
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           1.61              1.00    0.61     2.02
DAILY AVG.       0.05                               0.07
DAYS >= .01         6                                 10
DAYS >= .10         5                                  6
DAYS >= .50         1                                  2
DAYS >= 1.00        0                                  0
GREATEST
 24 HR. TOTAL    0.68   04/06 TO 04/06           04/06 TO 04/07
                                                          04/30 TO 04/30EATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                                                          04/30 TO 04/30EATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S

DEGREE_DAYS
HEATING TOTAL     221               258     -37      218
 SINCE 7/1       2338              2622    -284     2352
COOLING TOTAL       4                 8      -4        0
 SINCE 1/1          4                 9      -5        0
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              6.2
RESULTANT WIND SPEED/DIRECTION   4/266
HIGHEST WIND SPEED/DIRECTION    25/270    DATE  04/11
HIGHEST GUST SPEED/DIRECTION    31/280    DATE  04/11

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.20
NUMBER OF DAYS FAIR           21
NUMBER OF DAYS PC              8
NUMBER OF DAYS CLOUDY          1

AVERAGE RH (PERCENT)     72

WEATHER CONDITIONS. NUMBER OF DAYS WITH
  0
  4
  0
  0
  0
  0
  0
HAZE                      7

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

$$


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