Climatological Report (Daily)
Issued by NWS

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259
CDUS46 KMTR 180840
CLILVK

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1240 AM PST TUE NOV 18 2025

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

...THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR NOVEMBER 17 2025...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1930 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         58  12:27 AM  79    1932  65     -7       63
  MINIMUM         50  11:59 PM  23    1961  42      8       36
  AVERAGE         54                        53      1       50

PRECIPITATION (IN)
  YESTERDAY        0.62          1.93 1996   0.06   0.56     0.01
  MONTH TO DATE    1.62                      0.83   0.79     0.32
  SINCE OCT 1      3.51                      1.58   1.93     0.33
  SINCE JAN 1      8.13                     11.53  -3.40    11.38

DEGREE DAYS
 HEATING
  YESTERDAY       11                        12     -1       15
  MONTH TO DATE   65                       158    -93      167
  SINCE SEP 1    138                       270   -132      219
  SINCE JUL 1    138                       277   -139      221

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    1                         0      1        0
  SINCE SEP 1    258                       222     36      373
  SINCE JAN 1    845                       848     -3     1295
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   7   RESULTANT WIND DIRECTION  SW (230)
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     W (250)
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION     W (250)
  AVERAGE WIND SPEED     8.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  HEAVY RAIN
  RAIN
  LIGHT RAIN
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    96           9:00 PM
 LOWEST     67          12:00 AM
 AVERAGE    82

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


THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   64        80      1967
 MINIMUM TEMPERATURE (F)   41        25      1961


SUNRISE AND SUNSET
NOVEMBER 18 2025......SUNRISE   6:51 AM PST   SUNSET   4:54 PM PST
NOVEMBER 19 2025......SUNRISE   6:52 AM PST   SUNSET   4:53 PM PST


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




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