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Climatological Report (Daily)
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CDUS46 KMTR 310837
CLILVK

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
137 AM PDT SAT OCT 31 2020

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...THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR OCTOBER 30 2020...

CLIMATE NORMAL PERIOD: 1981 TO 2010
CLIMATE RECORD PERIOD: 1930 TO 2020


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         81   3:09 PM  87    1931  72      9       66
  MINIMUM         43   3:00 AM  29    1971  46     -3       42
  AVERAGE         62                        59      3       54

PRECIPITATION (IN)
  YESTERDAY        0.00          0.72 1933   0.05  -0.05     0.00
  MONTH TO DATE    0.00                      0.88  -0.88     0.00
  SINCE OCT 1      0.00                      0.88  -0.88     0.00
  SINCE JAN 1      4.60                     11.01  -6.41    13.91

DEGREE DAYS
 HEATING
  YESTERDAY        3                         6     -3       11
  MONTH TO DATE   31                        97    -66      103
  SINCE SEP 1     34                       114    -80      124
  SINCE JUL 1     34                       121    -87      126

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE  169                        38    131       40
  SINCE SEP 1    446                       202    244      214
  SINCE JAN 1   1391                       827    564      970
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   1   RESULTANT WIND DIRECTION  SW (220)
  HIGHEST WIND SPEED     9   HIGHEST WIND DIRECTION    NW (300)
  HIGHEST GUST SPEED    12   HIGHEST GUST DIRECTION     W (280)
  AVERAGE WIND SPEED     2.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.0


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    65           7:00 AM
 LOWEST     17           2:00 PM
 AVERAGE    41

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THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   71        88      2015
 MINIMUM TEMPERATURE (F)   46        29      1935


SUNRISE AND SUNSET
OCTOBER 31 2020.......SUNRISE   7:32 AM PDT   SUNSET   6:09 PM PDT
NOVEMBER  1 2020......SUNRISE   6:33 AM PST   SUNSET   5:08 PM PST


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




$$
National Weather Service National Headquarters
