Climatological Report (Monthly)
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CXUS56 KMTR 011443
CLMSTS


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
742 AM PDT THU NOV 1 2012

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

...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2012...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2012

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             102   MM
 LOW               36   10/26/2011
                        10/27/2010
                        10/29/1946
HIGHEST           102R  10/02                         88  10/14
                                                          10/13
LOWEST             39   10/21                         36  10/26
AVG. MAXIMUM     76.9              76.4     0.5     75.7
AVG. MINIMUM     47.4              45.0     2.4     47.5
MEAN             62.1              60.7     1.4     61.6
DAYS MAX >= 90      4               2.4     1.6        0
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      0               0.1    -0.1        0
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         6.06   2010
 MINIMUM         0.02   2003
TOTALS           2.39                               1.83
DAILY AVG.       0.08                               0.06
DAYS >= .01         7                                  6
DAYS >= .10         3                                  3
DAYS >= .50         2                                  1
DAYS >= 1.00        1                                  0
GREATEST
 24 HR. TOTAL    1.19   10/21 TO 10/22           10/04 TO 10/05
                                                          10/31 TO 10/31
                                                          10/31 TO 10/31

DEGREE_DAYS
HEATING TOTAL     130                                121
 SINCE 7/1        210                                153
COOLING TOTAL      49                                 24
 SINCE 1/1        340                                345
..................................................

WIND (MPH)
AVERAGE WIND SPEED              3.2
RESULTANT WIND SPEED/DIRECTION   1/198
HIGHEST WIND SPEED/DIRECTION    21/280    DATE  10/22
HIGHEST GUST SPEED/DIRECTION    41/290    DATE  10/22

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

AVERAGE RH (PERCENT)     67

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                3     RAIN                       4
LIGHT RAIN                5     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      20     FOG W/VIS <= 1/4 MILE     12
HAZE                      7

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

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