Climatological Report (Monthly)
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000
CXUS56 KMTR 021737
CLMSTS


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
937 AM PST SAT DEC 2 2017

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

...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF NOVEMBER 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              89   11/14/2008
 LOW               23   11/29/2015
HIGHEST            71   11/01                         77  11/10
                                                          11/09
LOWEST             30   11/05                         33  11/18
AVG. MAXIMUM     63.7              64.3    -0.6     65.9
AVG. MINIMUM     43.5              40.4     3.1     43.2
MEAN             53.6              52.4     1.2     54.6
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      1               3.0    -2.0        0
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         9.45   2001
 MINIMUM         0.78   2007
TOTALS           6.02                               4.10
DAILY AVG.       0.20                               0.14
DAYS >= .01        14                                 13
DAYS >= .10        11                                  4
DAYS >= .50         4                                  2
DAYS >= 1.00        2                                  1
GREATEST
 24 HR. TOTAL    1.53   11/15 TO 11/15           11/18 TO 11/19
                                                          11/30 TO 11/30
                                                          11/30 TO 11/30

DEGREE_DAYS
HEATING TOTAL     332                                308
 SINCE 7/1        449                                493
COOLING TOTAL       0                                  0
 SINCE 1/1        635                                356
.................................................

WIND (MPH)
AVERAGE WIND SPEED              3.0
RESULTANT WIND SPEED/DIRECTION   1/262
HIGHEST WIND SPEED/DIRECTION    17/290    DATE  11/26
HIGHEST GUST SPEED/DIRECTION    27/160    DATE  11/08

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR            9
NUMBER OF DAYS PC             12
NUMBER OF DAYS CLOUDY          9

AVERAGE RH (PERCENT)     80

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                6     RAIN                       8
LIGHT RAIN               16     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      27     FOG W/VIS <= 1/4 MILE     12
HAZE                      6

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

$$



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