weather.gov     
National Weather Service

Climatological Report (Monthly)
NWS Homepage
This page is being discontinued on March 12, 2014.
The same data is available at this site. Please update your bookmarks.
Thank you, and we apologize for the inconvenience.
Please send an email to SR-SRH.Webmaster@noaa.gov with any concerns.


Current Version
Previous Version:    01  02  03  04  05  06  07  08  09  10  11  12  13  14  15  
[Printable]
505
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.

$$




U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: May 16, 2007
NATIONAL WEATHER SERVICE: for Safety, for Work, for Fun - FOR LIFE