Climatological Report (Monthly)
Issued by NWS

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CXUS56 KSEW 011112
CLMSEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
312 AM PST MON FEB 1 2016

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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF JANUARY 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1945 TO 2016

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              64   01/20/1981
 LOW                0   01/31/1950
HIGHEST            58   01/27        MM      MM       63  01/25
LOWEST             25   01/02        MM      MM       26  01/01
AVG. MAXIMUM     49.1              47.2     1.9     50.3
AVG. MINIMUM     38.4              36.9     1.5     39.8
MEAN             43.7              42.0     1.7     45.1
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      0               0.4    -0.4        0
DAYS MIN <= 32      4               6.4    -2.4        3
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        12.92   1953
 MINIMUM         0.58   1985
TOTALS           7.45              5.57    1.88     3.66
DAILY AVG.       0.24              0.18    0.06     0.12
DAYS >= .01        20              18.2     1.8       14
DAYS >= .10        16              12.1     3.9        7
DAYS >= .50         6               3.7     2.3        2
DAYS >= 1.00        1               0.8     0.2        1
GREATEST
 24 HR. TOTAL    1.35   01/27 TO 01/28

SNOWFALL (INCHES)
RECORDS
 TOTAL           57.2   1950
TOTALS              T               1.4    -1.4      0.0
SINCE 7/1           T               4.3    -4.3      0.8
SNOWDEPTH AVG.      0                MM      MM        0
DAYS >= 1.0         0                                  0
GREATEST
 SNOW DEPTH         0   MM                             0
 24 HR TOTAL        T   01/04 TO 01/04               0.0

DEGREE_DAYS
HEATING TOTAL     654               711     -57      612
 SINCE 7/1       2342              2649    -307     2055
COOLING TOTAL       0                 0       0        0
 SINCE 1/1          0                 0       0        0
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              6.9
HIGHEST WIND SPEED/DIRECTION    29/220    DATE  01/29
HIGHEST GUST SPEED/DIRECTION    38/220    DATE  01/29

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.70
NUMBER OF DAYS FAIR            3
NUMBER OF DAYS PC             10
NUMBER OF DAYS CLOUDY         18

AVERAGE RH (PERCENT)     78

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                      12
LIGHT RAIN               20     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                2     SLEET                      0
FOG                      21     FOG W/VIS <= 1/4 MILE      2
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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