Climatological Report (Daily)
Issued by NWS

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323
CDUS46 KSTO 310958
CLIVCB

CLIMATE REPORT
NATIONAL WEATHER SERVICE SACRAMENTO
158 AM PST SAT JAN 31 2026

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

...THE VACAVILLE CLIMATE SUMMARY FOR JANUARY 30 2026...

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


WEATHER ITEM   OBSERVED     LAST
                VALUE       YEAR
..................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         63       55
  MINIMUM         35       30
  AVERAGE         49

PRECIPITATION (IN)
  YESTERDAY        0.00     0.00
  MONTH TO DATE    3.57     0.11
  SINCE OCT 1     13.67    10.45
  SINCE JAN 1      3.57     0.11

DEGREE DAYS
 HEATING
  YESTERDAY       16       22
  MONTH TO DATE  480      462
  SINCE JUL 1   1397     1335

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


WIND (MPH)
  RESULTANT WIND SPEED   2   RESULTANT WIND DIRECTION   N (20)
  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION     N (20)
  HIGHEST GUST SPEED    15   HIGHEST GUST DIRECTION     N (10)
  AVERAGE WIND SPEED     2.8


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           100 AM
 LOWEST     60           200 PM
 AVERAGE    80



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




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