Climatological Report (Daily)
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990
CDUS46 KMTR 030839
CLILVK

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
139 AM PDT WED SEP 03 2025

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

...THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 2 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         92   1:08 PM 111    1952  87      5       82
  MINIMUM         62  11:59 PM  45    1970  56      6       58
  AVERAGE         77                        72      5       70

PRECIPITATION (IN)
  YESTERDAY        T             0.01 2000   0.00   0.00     0.00
                                      2000
                                      2013
  MONTH TO DATE    T                         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
  YESTERDAY        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
  YESTERDAY       12                         7      5        5
  MONTH TO DATE   29                        14     15        9
  SINCE SEP 1     29                        14     15        9
  SINCE JAN 1    616                       640    -24      931
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   7   RESULTANT WIND DIRECTION   W (290)
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION     W (290)
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION     W (290)
  AVERAGE WIND SPEED     8.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    78          10:00 PM
 LOWEST     28          11:00 AM
 AVERAGE    53

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


THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   87       115      1950
 MINIMUM TEMPERATURE (F)   56        44      1970


SUNRISE AND SUNSET
SEPTEMBER  3 2025.....SUNRISE   6:39 AM PDT   SUNSET   7:33 PM PDT
SEPTEMBER  4 2025.....SUNRISE   6:40 AM PDT   SUNSET   7:31 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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