Climatological Report (Monthly)
Issued by NWS

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CXUS56 KMTR 011824
CLMLVK


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1124 AM PDT WED MAY 1 2019

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

...THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR THE MONTH OF APRIL 2019...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1930 TO 2019

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            91   04/24                         85  04/23
LOWEST             41   04/12                         36  04/17
AVG. MAXIMUM     72.5              68.6     3.9     69.6
AVG. MINIMUM     48.0                               45.5
MEAN             60.3              56.6     3.7     57.5
DAYS MAX >= 90      1                                  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           0.34              1.00   -0.66     1.61
DAILY AVG.       0.01                               0.05
DAYS >= .01         7                                  6
DAYS >= .10         0                                  5
DAYS >= .50         0                                  1
DAYS >= 1.00        0                                  0
GREATEST
 24 HR. TOTAL    0.09   04/01 TO 04/01           04/06 TO 04/06
                                                          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     157               258    -101      221
 SINCE 7/1       2344              2622    -278     2338
COOLING TOTAL      22                 8      14        4
 SINCE 1/1         22                 9      13        4
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              6.3
RESULTANT WIND SPEED/DIRECTION   4/269
HIGHEST WIND SPEED/DIRECTION    28/230    DATE  04/20
HIGHEST GUST SPEED/DIRECTION    38/220    DATE  04/20

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.20
NUMBER OF DAYS FAIR           20
NUMBER OF DAYS PC              8
NUMBER OF DAYS CLOUDY          2

AVERAGE RH (PERCENT)     67

WEATHER CONDITIONS. NUMBER OF DAYS WITH
  0
  2
  0
  0
  0
  0
  1
HAZE                     12

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

$$



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