Climatological Report (Daily)
Issued by NWS

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415
CDUS46 KSTO 051001
CLIVCB

CLIMATE REPORT
NATIONAL WEATHER SERVICE SACRAMENTO
201 AM PST MON JAN 05 2026

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

...THE VACAVILLE CLIMATE SUMMARY FOR JANUARY 4 2026...

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


WEATHER ITEM   OBSERVED     LAST
                VALUE       YEAR
..................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         55       60
  MINIMUM         44       37
  AVERAGE         50

PRECIPITATION (IN)
  YESTERDAY        0.85     0.00
  MONTH TO DATE    2.59     0.11
  SINCE OCT 1     12.69    10.45
  SINCE JAN 1      2.59     0.11

DEGREE DAYS
 HEATING
  YESTERDAY       15       16
  MONTH TO DATE   47       61
  SINCE JUL 1    964      934

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


WIND (MPH)
  RESULTANT WIND SPEED   6   RESULTANT WIND DIRECTION   S (170)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     S (180)
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION     S (200)
  AVERAGE WIND SPEED     5.8


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  HEAVY RAIN
  RAIN
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97           700 AM
 LOWEST     83          1200 AM
 AVERAGE    90



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




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