Climatological Report (Daily)
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109
CDUS46 KMTR 020036
CLILVK

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
536 PM PDT MON SEP 01 2025

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

...THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 1 2025...
VALID TODAY AS OF 0500 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM        102   3:02 PM 109    1952  87     15       82
                                      2017
  MINIMUM         62   5:52 AM  41    1960  56      6       56
  AVERAGE         82                        72     10       69

PRECIPITATION (IN)
  TODAY            0.00          0.14 2000   0.00   0.00     0.00
  MONTH TO DATE    0.00                      0.00   0.00     0.00
  SINCE OCT 1      8.68                     15.10  -6.42    14.23
  SINCE JAN 1      4.49                      9.87  -5.38    11.04

DEGREE DAYS
 HEATING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE SEP 1      0                         0      0        0
  SINCE JUL 1      0                         7     -7        2

 COOLING
  TODAY           17                         7     10        4
  MONTH TO DATE   17                         7     10        4
  SINCE SEP 1     17                         7     10        4
  SINCE JAN 1    604                       633    -29      926
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   2   RESULTANT WIND DIRECTION   W (260)
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION     W (290)
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION     W (260)
  AVERAGE WIND SPEED     2.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.0


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    65           6:00 AM
 LOWEST     18           3:00 PM
 AVERAGE    42

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


THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   87       111      1952
 MINIMUM TEMPERATURE (F)   56        45      1970


SUNRISE AND SUNSET
SEPTEMBER  1 2025.....SUNRISE   6:38 AM PDT   SUNSET   7:36 PM PDT
SEPTEMBER  2 2025.....SUNRISE   6:39 AM PDT   SUNSET   7:34 PM PDT


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




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