Climatological Report (Daily)
Issued by NWS

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035
CDUS46 KSTO 210850
CLIVCB

CLIMATE REPORT
NATIONAL WEATHER SERVICE SACRAMENTO
150 AM PDT FRI AUG 21 2026

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

...THE VACAVILLE CLIMATE SUMMARY FOR AUGUST 20 2026...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1998 TO 2026


WEATHER ITEM   OBSERVED     LAST
                VALUE       YEAR
..................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         94      100
  MINIMUM         59       56
  AVERAGE         77

PRECIPITATION (IN)
  YESTERDAY        0.00     0.00
  MONTH TO DATE    0.00      T
  SINCE OCT 1     20.20    21.32
  SINCE JAN 1     10.10    10.98

DEGREE DAYS
 HEATING
  YESTERDAY        0        0
  MONTH TO DATE    0        0
  SINCE JUL 1      0        0

 COOLING
  YESTERDAY       12       13
  MONTH TO DATE  265      235
  SINCE JAN 1   1107      929
..................................


WIND (MPH)
  RESULTANT WIND SPEED   6   RESULTANT WIND DIRECTION  SW (220)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     S (180)
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION    SW (210)
  AVERAGE WIND SPEED     6.9


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    75           500 AM
 LOWEST     23           300 PM
 AVERAGE    49



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




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