Climatological Report (Daily)
Issued by NWS

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192
CDUS46 KSTO 310959
CLIVCB

CLIMATE REPORT
NATIONAL WEATHER SERVICE SACRAMENTO
159 AM PST WED DEC 31 2025

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

...THE VACAVILLE CLIMATE SUMMARY FOR DECEMBER 30 2025...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1998 TO 2025


WEATHER ITEM   OBSERVED     LAST
                VALUE       YEAR
..................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         44       61
  MINIMUM         36       38
  AVERAGE         40

PRECIPITATION (IN)
  YESTERDAY        0.00     0.00
  MONTH TO DATE    4.07     5.08
  SINCE OCT 1      9.51    10.34
  SINCE JAN 1     20.59    26.56

DEGREE DAYS
 HEATING
  YESTERDAY       25       15
  MONTH TO DATE  511      429
  SINCE JUL 1    896      855

 COOLING
  YESTERDAY        0        0
  MONTH TO DATE    0        0
  SINCE JAN 1   1400     1840
..................................


WIND (MPH)
  RESULTANT WIND SPEED   5   RESULTANT WIND DIRECTION   N (10)
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION     N (350)
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION     N (350)
  AVERAGE WIND SPEED     5.8


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG
  FOG W/VISIBILITY <= 1/4 MILE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100          1200 AM
 LOWEST     96           700 AM
 AVERAGE    98



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




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