Climatological Report (Monthly)
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CXUS56 KMTR 012218
CLMSTS


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
317 PM PDT WED OCT 1 2014

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

...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2014...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2014

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             104   09/28/2010
                        09/19/2000
                        09/07/1904
 LOW               39   09/09/2012
                        09/30/2007
                        09/25/2005
HIGHEST            96   09/11                         96  09/07
                        09/10
                        09/01
LOWEST             48   09/30                         41  09/20
                        09/23
AVG. MAXIMUM     81.3              83.2    -1.9     82.0
AVG. MINIMUM     53.1              49.3     3.8     50.0
MEAN             67.2              66.3     0.9     66.0
DAYS MAX >= 90      4               7.2    -3.2        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         0.50   2000
 MINIMUM         0.00   2012
                        2002
TOTALS           0.84R                              0.49
DAILY AVG.       0.03                               0.02
DAYS >= .01         6                                  5
DAYS >= .10         3                                  2
DAYS >= .50         1                                  0
DAYS >= 1.00        0                                  0
GREATEST
 24 HR. TOTAL    0.55   09/26 TO 09/26           09/20 TO 09/21
                                                          09/30 TO 09/30
                                                          09/30 TO 09/30

DEGREE_DAYS
HEATING TOTAL       9                                 30
 SINCE 7/1         14                                 67
COOLING TOTAL      84                                 68
 SINCE 1/1        433                                411
.................................................

WIND (MPH)
AVERAGE WIND SPEED              3.8
RESULTANT WIND SPEED/DIRECTION   3/177
HIGHEST WIND SPEED/DIRECTION    18/270    DATE  09/26
HIGHEST GUST SPEED/DIRECTION    25/280    DATE  09/26

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.40
NUMBER OF DAYS FAIR            8
NUMBER OF DAYS PC             19
NUMBER OF DAYS CLOUDY          3

AVERAGE RH (PERCENT)     70

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       4
LIGHT RAIN                6     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      26     FOG W/VIS <= 1/4 MILE     10
HAZE                     10

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

$$


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