Climatological Report (Monthly)
Issued by NWS

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CXUS56 KMTR 030538
CLMLVK


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1033 PM PDT THU NOV 2 2017

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

...THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 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             106   MM
 LOW               38   10/29/2009
HIGHEST            91   10/24                         92  10/09
LOWEST             41   10/21                         46  10/06
                        10/12                             10/05
AVG. MAXIMUM     79.8              76.4     3.4     74.6
AVG. MINIMUM     48.0                               51.1
MEAN             63.9              63.0     0.9     62.8
DAYS MAX >= 90      2                                  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           0.13              0.92   -0.79     3.26
DAILY AVG.       0.00                               0.11
DAYS >= .01         2                                  7
DAYS >= .10         0                                  6
DAYS >= .50         0                                  2
DAYS >= 1.00        0                                  1
GREATEST
 24 HR. TOTAL    0.07   10/19 TO 10/19           10/16 TO 10/16
                                                          10/30 TO 10/30
                                                          10/30 TO 10/30

DEGREE_DAYS
HEATING TOTAL      77               104     -27       74
 SINCE 7/1         88               128     -40       85
COOLING TOTAL      49                40       9       15
 SINCE 1/1       1149               829     320      955
.................................................

WIND (MPH)
AVERAGE WIND SPEED              4.6
RESULTANT WIND SPEED/DIRECTION   1/002
HIGHEST WIND SPEED/DIRECTION    28/290    DATE  10/19
HIGHEST GUST SPEED/DIRECTION    33/280    DATE  10/19

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.10
NUMBER OF DAYS FAIR           29
NUMBER OF DAYS PC              1
NUMBER OF DAYS CLOUDY          1

AVERAGE RH (PERCENT)     50

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                2     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       5     FOG W/VIS <= 1/4 MILE      0
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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