751
CXUS56 KMTR 010842
CLMSTS

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
142 AM PDT SAT NOV 01 2025

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

...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2025...

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

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH            106   MM
 LOW              27   10/30/2019
HIGHEST           91   10/07                         106  10/01
LOWEST            41   10/31                          36  10/29
AVG. MAXIMUM    73.8               77.1    -3.3     83.6
AVG. MINIMUM    48.0               45.5     2.5     46.5
MEAN            60.9               61.3    -0.4     65.1
DAYS MAX >= 90     1                3.1    -2.1        9
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     0                0.2    -0.2        0
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       10.77   2021
 MINIMUM           T   2020
TOTALS          1.95                                0.44
DAILY AVG.      0.06                                0.01
DAYS >= .01        8                                   4
DAYS >= .10        5                                   2
DAYS >= .50        1                                   0
DAYS >= 1.00       0                                   0
GREATEST
 24 HR. TOTAL   1.18   10/13 TO 10/14               0.22  10/12 TO 10/13


DEGREE DAYS
HEATING TOTAL    129                                  96
 SINCE 7/1       149                                  MM
COOLING TOTAL      9                                 107
 SINCE 1/1       401                                  MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              3.3
RESULTANT WIND SPEED/DIRECTION   1/200
HIGHEST WIND SPEED/DIRECTION    20/300    DATE  10/12
HIGHEST GUST SPEED/DIRECTION    29/310    DATE  10/12
                                29/170          10/26

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.43
NUMBER OF DAYS FAIR           13
NUMBER OF DAYS PC             10
NUMBER OF DAYS CLOUDY          8

AVERAGE RH (PERCENT)     74

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       5
LIGHT RAIN                9     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      27     FOG W/VIS <= 1/4 MILE     13
HAZE                      7

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

$$