Climatological Report (Monthly)
Issued by NWS

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CXUS56 KMTR 012243
CLMLVK


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
343 PM PDT MON OCT 1 2018

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

...THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 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             115   MM
 LOW               45   09/23/2017
HIGHEST            96   09/26                        109  09/01
LOWEST             48   09/24                         45  09/23
                        09/19
                        09/16
AVG. MAXIMUM     85.2              84.3     0.9     86.1
AVG. MINIMUM     52.5                               58.6
MEAN             68.8              69.9    -1.1     72.3
DAYS MAX >= 90     13                                 10
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              T              0.22   -0.22        T
DAILY AVG.          T                                  T
DAYS >= .01         0                                  0
DAYS >= .10         0                                  0
DAYS >= .50         0                                  0
DAYS >= 1.00        0                                  0
GREATEST
 24 HR. TOTAL       T   09/30 TO 09/30           09/20 TO 09/20
                                                          09/30 TO 09/30EATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                                                          09/30 TO 09/30EATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S

DEGREE_DAYS
HEATING TOTAL       9                17      -8       11
 SINCE 7/1          9                24     -15       11
COOLING TOTAL     134               164     -30      239
 SINCE 1/1        809               789      20     1100
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              6.2
RESULTANT WIND SPEED/DIRECTION   5/272
HIGHEST WIND SPEED/DIRECTION    23/270    DATE  09/12
HIGHEST GUST SPEED/DIRECTION    28/270    DATE  09/12

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.10
NUMBER OF DAYS FAIR           28
NUMBER OF DAYS PC              2
NUMBER OF DAYS CLOUDY          0

AVERAGE RH (PERCENT)     55

WEATHER CONDITIONS. NUMBER OF DAYS WITH
  0
  0
  0
  0
  0
  0
  0
HAZE                      8

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

$$


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