Climatological Report (Monthly)
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000
CXUS56 KMTR 061421
CLMSTS


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
720 AM PDT THU JUL 6 2017

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

...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF JUNE 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             108   06/14/2000
 LOW               39   06/08/1999
                        06/07/1999
HIGHEST           106   06/18                         97  06/27
                                                          06/03
LOWEST             44   06/10                         45  06/23
AVG. MAXIMUM     83.6              81.2     2.4     84.1
AVG. MINIMUM     51.7              50.0     1.7     49.9
MEAN             67.7              65.6     2.1     67.0
DAYS MAX >= 90      8               4.9     3.1        7
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         1.57   2011
 MINIMUM         0.00   2014
                        2002
TOTALS           0.27                               0.19
DAILY AVG.       0.01                               0.01
DAYS >= .01         2                                  3
DAYS >= .10         1                                  1
DAYS >= .50         0                                  0
DAYS >= 1.00        0                                  0
GREATEST
 24 HR. TOTAL    0.26   06/08 TO 06/08           06/17 TO 06/18
                                                          06/30 TO 06/30
                                                          06/30 TO 06/30

DEGREE_DAYS
HEATING TOTAL      34                                 21
 SINCE 7/1       2736                               2337
COOLING TOTAL     120                                 86
 SINCE 1/1        157                                115
.................................................

WIND (MPH)
AVERAGE WIND SPEED              5.8
RESULTANT WIND SPEED/DIRECTION   3/177
HIGHEST WIND SPEED/DIRECTION    25/040    DATE  06/11
HIGHEST GUST SPEED/DIRECTION    32/320    DATE  06/11

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.20
NUMBER OF DAYS FAIR           23
NUMBER OF DAYS PC              6
NUMBER OF DAYS CLOUDY          1

AVERAGE RH (PERCENT)     65

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                5     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      1
HAZE                     18

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

$$



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