Climatological Report (Monthly)
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000
CXUS56 KSEW 011033
CLMSEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
233 AM PST SUN MAR 1 2015

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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF FEBRUARY 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1945 TO 2015

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              70   02/27/1968
 LOW                1   02/01/1950
HIGHEST            62   02/12        MM      MM       58  02/28
LOWEST             33   02/23        MM      MM       21  02/06
AVG. MAXIMUM     54.5              49.9     4.6     46.8
AVG. MINIMUM     43.0              36.9     6.1     36.7
MEAN             48.8              43.4     5.4     41.7
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      0               0.1    -0.1        2
DAYS MIN <= 32      0               5.5    -5.5        7
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         9.11   1961
 MINIMUM         0.35   1993
TOTALS           5.27              3.50    1.77     6.11
DAILY AVG.       0.19              0.12    0.07     0.22
DAYS >= .01        17              14.7     2.3       19
DAYS >= .10        11               9.1     1.9       14
DAYS >= .50         4               2.0     2.0        6
DAYS >= 1.00        1               0.3     0.7        1
GREATEST
 24 HR. TOTAL    1.12   02/05 TO 02/06

SNOWFALL (INCHES)
RECORDS
 TOTAL           13.1   1949
TOTALS            0.0               1.7    -1.7      2.9
SINCE 7/1         0.8               6.0    -5.2      4.0
SNOWDEPTH AVG.      0                MM      MM        0
DAYS >= 1.0         0                                  1
GREATEST
 SNOW DEPTH         0   MM                             3
 24 HR TOTAL      0.0   02/28 TO 02/28               2.9

DEGREE_DAYS
HEATING TOTAL     448               605    -157      643
 SINCE 7/1       2503              3254    -751     3075
COOLING TOTAL       0                 0       0        0
 SINCE 1/1          0                 0       0        0
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              6.9
HIGHEST WIND SPEED/DIRECTION    32/220    DATE  02/02
HIGHEST GUST SPEED/DIRECTION    43/210    DATE  02/02

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.70
NUMBER OF DAYS FAIR            5
NUMBER OF DAYS PC              6
NUMBER OF DAYS CLOUDY         17

AVERAGE RH (PERCENT)     77

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       6
LIGHT RAIN               18     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      19     FOG W/VIS <= 1/4 MILE      4
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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