Climatological Report (Monthly)
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000
CXUS56 KSEW 011032
CLMSEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
332 AM PDT FRI AUG 1 2014

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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF JULY 2014...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1945 TO 2014

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             103   07/29/2009
 LOW               43   07/02/1954
                        07/24/1953
                        07/04/1949
HIGHEST            94   07/01        MM      MM       89  07/01
LOWEST             53   07/18        MM      MM       52  07/13
AVG. MAXIMUM     80.4              75.8     4.6     78.7
AVG. MINIMUM     58.0              55.6     2.4     57.1
MEAN             69.2              65.7     3.5     67.9
DAYS MAX >= 90      2               1.4     0.6        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         2.39   1983
 MINIMUM            T   2013
                        1960
TOTALS           0.77              0.70    0.07        T
DAILY AVG.       0.02              0.02    0.00        T
DAYS >= .01         2               5.0    -3.0        0
DAYS >= .10         1               2.3    -1.3        0
DAYS >= .50         1               0.2     0.8        0
DAYS >= 1.00        0               0.0     0.0        0
GREATEST
 24 HR. TOTAL    0.76   07/23 TO 07/23
                        07/22 TO 07/23
                        07/23 TO 07/23

DEGREE_DAYS
HEATING TOTAL      14                49     -35        9
 SINCE 7/1         14                49     -35        9
COOLING TOTAL     152                71      81      105
 SINCE 1/1        178                98      80      167
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              6.9
HIGHEST WIND SPEED/DIRECTION    28/220    DATE  07/19
HIGHEST GUST SPEED/DIRECTION    36/220    DATE  07/19

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.40
NUMBER OF DAYS FAIR           14
NUMBER OF DAYS PC             11
NUMBER OF DAYS CLOUDY          6

AVERAGE RH (PERCENT)     62

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

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

$$



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