481
CXUS56 KMTR 010836
CLMSTS

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
136 AM PDT SUN NOV 01 2026

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

...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2026...

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

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          102   10/03                          91  10/07
LOWEST            37   10/14                          41  10/31
                       10/27
AVG. MAXIMUM    80.7               77.1     3.6     73.8
AVG. MINIMUM    44.0               45.5    -1.5     48.0
MEAN            62.4               61.3     1.1     60.9
DAYS MAX >= 90    11                3.1     7.9        1
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          0.33                                1.95
DAILY AVG.      0.01                                0.06
DAYS >= .01        3                                   8
DAYS >= .10        2                                   5
DAYS >= .50        0                                   1
DAYS >= 1.00       0                                   0
GREATEST
 24 HR. TOTAL   0.28   10/21 TO 10/22               1.18  10/13 TO 10/14


DEGREE DAYS
HEATING TOTAL    143                                 129
 SINCE 7/1       179                                  MM
COOLING TOTAL     71                                   9
 SINCE 1/1       489                                  MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              3.3
RESULTANT WIND SPEED/DIRECTION   2/200
HIGHEST WIND SPEED/DIRECTION    16/250    DATE  10/13
                                16/260          10/24
HIGHEST GUST SPEED/DIRECTION    23/250    DATE  10/24

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.17
NUMBER OF DAYS FAIR           23
NUMBER OF DAYS PC              7
NUMBER OF DAYS CLOUDY          1

AVERAGE RH (PERCENT)     63

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       3
LIGHT RAIN                1     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      13     FOG W/VIS <= 1/4 MILE      7
HAZE                      2

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

$$