000
CXUS56 KMTR 020125
CLMSTS


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
624 PM PDT FRI JUN 1 2012

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

...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF MAY 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   05/15/2008
 LOW               35   05/11/2010
HIGHEST            91   05/31                         89  05/04
LOWEST             40   05/02                         39  05/09
                                                          05/01
AVG. MAXIMUM     77.9              74.5     3.4     71.5
AVG. MINIMUM     46.4              46.4     0.0     43.9
MEAN             62.1              60.4     1.7     57.7
DAYS MAX >= 90      2               1.6     0.4        0
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           0.13                               2.35
DAILY AVG.       0.00                               0.08
DAYS >= .01         1                                  8
DAYS >= .10         1                                  5
DAYS >= .50         0                                  2
DAYS >= 1.00        0                                  0
GREATEST
 24 HR. TOTAL    0.13   05/03 TO 05/03           05/16 TO 05/17
                                                          05/30 TO 05/30
                                                          05/30 TO 05/30

DEGREE_DAYS
HEATING TOTAL     101                                220
 SINCE 7/1       2862                               2959
COOLING TOTAL      19                                  2
 SINCE 1/1         29                                  6
.................................................

WIND (MPH)
AVERAGE WIND SPEED              5.7
RESULTANT WIND SPEED/DIRECTION   1/227
HIGHEST WIND SPEED/DIRECTION    26/310    DATE  05/24
HIGHEST GUST SPEED/DIRECTION    36/340    DATE  05/24

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.20
NUMBER OF DAYS FAIR           22
NUMBER OF DAYS PC              7
NUMBER OF DAYS CLOUDY          2

AVERAGE RH (PERCENT)     62

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

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

$$