Climatological Report (Monthly)
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000
CXUS56 KSEW 011032
CLMSEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
331 AM PDT TUE APR 1 2014

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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF MARCH 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              78   03/29/2004
 LOW               11   03/04/1955
HIGHEST            66   03/24        MM      MM       69  03/31
LOWEST             34   03/22        MM      MM       32  03/04
AVG. MAXIMUM     55.2              53.7     1.5     54.9
AVG. MINIMUM     41.8              39.3     2.5     41.0
MEAN             48.5              46.5     2.0     47.9
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      0               1.6    -1.6        1
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         8.40   1950
 MINIMUM         0.57   1965
TOTALS           9.44R             3.72    5.72     2.74
DAILY AVG.       0.30              0.12    0.18     0.09
DAYS >= .01        20              16.9     3.1       15
DAYS >= .10        15              10.6     4.4        8
DAYS >= .50         8               1.6     6.4        0
DAYS >= 1.00        3               0.3     2.7        0
GREATEST
 24 HR. TOTAL    1.84   03/05 TO 03/05

SNOWFALL (INCHES)
RECORDS
 TOTAL           18.2   1951
TOTALS              T               0.8    -0.8      0.0
SINCE 7/1         4.0               6.8    -2.8      0.6
SNOWDEPTH AVG.      0                MM      MM        0
DAYS >= 1.0         0                                  0
GREATEST
 SNOW DEPTH         0   MM                             0
 24 HR TOTAL        T   03/01 TO 03/01               0.0

DEGREE_DAYS
HEATING TOTAL     504               574     -70      523
 SINCE 7/1       3579              3828    -249     3664
COOLING TOTAL       0                 0       0        0
 SINCE 1/1          0                 0       0        0
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.3
HIGHEST WIND SPEED/DIRECTION    30/200    DATE  03/25
HIGHEST GUST SPEED/DIRECTION    43/190    DATE  03/25

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.70
NUMBER OF DAYS FAIR            1
NUMBER OF DAYS PC             14
NUMBER OF DAYS CLOUDY         16

AVERAGE RH (PERCENT)     74

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                      10
LIGHT RAIN               21     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       1
LIGHT SNOW                0     SLEET                      0
FOG                      20     FOG W/VIS <= 1/4 MILE      0
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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