Climatological Report (Daily)
Issued by NWS

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912
CDUS46 KMTR 211214
CLILVK

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
414 AM PST FRI NOV 21 2025

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

...THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR NOVEMBER 20 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         57   4:16 PM  81    1932  64     -7       65
  MINIMUM         46  11:55 PM  27    1941  41      5       46
  AVERAGE         52                        52      0       56

PRECIPITATION (IN)
  YESTERDAY        0.25          1.56 1963   0.07   0.18      T
  MONTH TO DATE    1.87                      1.02   0.85     0.32
  SINCE OCT 1      3.76                      1.77   1.99     0.33
  SINCE JAN 1      8.38                     11.72  -3.34    11.38

DEGREE DAYS
 HEATING
  YESTERDAY       13                        13      0        9
  MONTH TO DATE  104                       196    -92      211
  SINCE SEP 1    177                       308   -131      263
  SINCE JUL 1    177                       315   -138      265

 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   2   RESULTANT WIND DIRECTION   W (250)
  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION     W (260)
  HIGHEST GUST SPEED    13   HIGHEST GUST DIRECTION     W (250)
  AVERAGE WIND SPEED     2.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    96           3:00 AM
 LOWEST     74           5:00 PM
 AVERAGE    85

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


THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   63        75      1949
 MINIMUM TEMPERATURE (F)   41        25      1941


SUNRISE AND SUNSET
NOVEMBER 21 2025......SUNRISE   6:54 AM PST   SUNSET   4:52 PM PST
NOVEMBER 22 2025......SUNRISE   6:55 AM PST   SUNSET   4:52 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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