454
CXUS56 KMTR 011630
CLMSTS

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
930 AM PDT MON JUN 01 2026

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

...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF MAY 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            102   05/15/2008
 LOW              32   05/10/2022
HIGHEST           89   05/19                          98  05/30
LOWEST            44   05/13                          40  05/10
                       05/27
                                                          05/13
AVG. MAXIMUM    75.2               74.7     0.5     79.8
AVG. MINIMUM    49.5               46.6     2.9     46.4
MEAN            62.4               60.7     1.7     63.1
DAYS MAX >= 90     0                2.0    -2.0        4
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        5.05   2005
 MINIMUM        0.00   2001
TOTALS          0.46                                0.09
DAILY AVG.      0.01                                0.00
DAYS >= .01        3                                   1
DAYS >= .10        0                                   0
DAYS >= .50        0                                   0
DAYS >= 1.00       0                                   0
GREATEST
 24 HR. TOTAL   0.26   05/04 TO 05/05               0.09  05/12 TO 05/12


DEGREE DAYS
HEATING TOTAL     87                                  84
 SINCE 7/1      2206                                  MM
COOLING TOTAL     13                                  35
 SINCE 1/1        39                                  MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              6.3
RESULTANT WIND SPEED/DIRECTION   2/180
HIGHEST WIND SPEED/DIRECTION    31/010    DATE  05/17
HIGHEST GUST SPEED/DIRECTION    44/360    DATE  05/17

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.40
NUMBER OF DAYS FAIR           13
NUMBER OF DAYS PC             12
NUMBER OF DAYS CLOUDY          6

AVERAGE RH (PERCENT)     67

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       2
LIGHT RAIN                6     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      18     FOG W/VIS <= 1/4 MILE      2
HAZE                      3

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

$$