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000
CXUS56 KMTR 010900
CLMSTS

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
200 AM PDT SUN OCT 01 2023

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

...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2023...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2023

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH            114   09/06/2022
 LOW              37   09/30/2019
HIGHEST           93   09/11                         114  09/06
LOWEST            46   09/27                          46  09/01
                                                          09/17
AVG. MAXIMUM    79.8               83.4    -3.6     86.9
AVG. MINIMUM    52.2               49.6     2.6     52.6
MEAN            66.0               66.5    -0.5     69.8
DAYS MAX >= 90     1                7.8    -6.8       11
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        0.96   2022
 MINIMUM        0.00   2012
TOTALS          0.17                                0.96
DAILY AVG.      0.01                                0.03
DAYS >= .01        3                                   4
DAYS >= .10        0                                   1
DAYS >= .50        0                                   1
DAYS >= 1.00       0                                   0
GREATEST
 24 HR. TOTAL   0.16   09/25 TO 09/26               0.91  09/17 TO 09/18


DEGREE DAYS
HEATING TOTAL     19                                  14
 SINCE 7/1        29                                  MM
COOLING TOTAL     57                                 164
 SINCE 1/1       444                                  MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              4.5
RESULTANT WIND SPEED/DIRECTION   3/180
HIGHEST WIND SPEED/DIRECTION    18/250    DATE  09/27
                                18/250          09/29
HIGHEST GUST SPEED/DIRECTION    26/250    DATE  09/27

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.45
NUMBER OF DAYS FAIR            7
NUMBER OF DAYS PC             21
NUMBER OF DAYS CLOUDY          2

AVERAGE RH (PERCENT)     71

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       2
LIGHT RAIN                4     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      24     FOG W/VIS <= 1/4 MILE      7
HAZE                      9

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

$$