Climatological Report (Daily)
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911
CDUS46 KMTR 200836
CLILVK

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
136 AM PDT WED AUG 20 2025

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

...THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR AUGUST 19 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         87   1:29 PM 111    1950  88     -1       85
  MINIMUM         56   5:35 AM  47    1973  57     -1       55
  AVERAGE         72                        72      0       70

PRECIPITATION (IN)
  YESTERDAY        0.00          0.50 1983   0.01  -0.01     0.00
  MONTH TO DATE    0.00                      0.05  -0.05      T
  SINCE OCT 1      8.68                     15.06  -6.38    14.23
  SINCE JAN 1      4.49                      9.83  -5.34    11.04

DEGREE DAYS
 HEATING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE JUN 1     13                        37    -24        4
  SINCE JUL 1      0                         4     -4        2

 COOLING
  YESTERDAY        7                         7      0        5
  MONTH TO DATE  146                       133     13      176
  SINCE JUN 1    400                       484    -84      795
  SINCE JAN 1    457                       536    -79      839
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   6   RESULTANT WIND DIRECTION   W (280)
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     W (280)
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION     W (290)
  AVERAGE WIND SPEED     7.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    87          11:00 PM
 LOWEST     27           1:00 PM
 AVERAGE    57

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


THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   88       103      1960
 MINIMUM TEMPERATURE (F)   57        46      1949


SUNRISE AND SUNSET
AUGUST 20 2025........SUNRISE   6:28 AM PDT   SUNSET   7:53 PM PDT
AUGUST 21 2025........SUNRISE   6:28 AM PDT   SUNSET   7:51 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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