753
CXUS56 KMTR 010829
CLMSTS

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
129 AM PDT FRI AUG 01 2025

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

...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF JULY 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            108   07/16/2017
                       07/07/2017
                       07/22/2006
 LOW              38   07/07/2012
HIGHEST           93   07/10                         106  07/02
                                                          07/19
LOWEST            45   07/05                          47  07/16
AVG. MAXIMUM    79.2               83.5    -4.3     89.4
AVG. MINIMUM    52.0               51.7     0.3     53.8
MEAN            65.6               67.6    -2.0     71.6
DAYS MAX >= 90     2                6.6    -4.6       16
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     0                0.0     0.0        0
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        0.10   2007
 MINIMUM        0.00   2021
TOTALS          0.01                                   T
DAILY AVG.      0.00                                   T
DAYS >= .01        1                                   0
DAYS >= .10        0                                   0
DAYS >= .50        0                                   0
DAYS >= 1.00       0                                   0
GREATEST
 24 HR. TOTAL   0.01   07/17 TO 07/17                  T  07/27 TO 07/27


DEGREE DAYS
HEATING TOTAL     17                                   5
 SINCE 7/1        17                                  MM
COOLING TOTAL     43                                 219
 SINCE 1/1       120                                  MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              5.9
RESULTANT WIND SPEED/DIRECTION   5/170
HIGHEST WIND SPEED/DIRECTION    18/140    DATE  07/29
HIGHEST GUST SPEED/DIRECTION    27/120    DATE  07/04

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.40
NUMBER OF DAYS FAIR           12
NUMBER OF DAYS PC             18
NUMBER OF DAYS CLOUDY          1

AVERAGE RH (PERCENT)     70

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                1     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      28     FOG W/VIS <= 1/4 MILE      2
HAZE                     14

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

$$