Climatological Report (Monthly)
Issued by NWS Seattle/Tacoma, WA

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000
CXUS56 KSEW 011032
CLMSEW


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
332 AM PDT THU JUN 1 2017

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

...THE SEATTLE WA WFO CLIMATE SUMMARY FOR THE MONTH OF MAY 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1986 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              90   05/17/2008
 LOW               35   05/07/2002
                        05/06/2002
HIGHEST            82   05/28        MM      MM       88  05/02
LOWEST             42   05/16        MM      MM       45  05/10
                        05/02
AVG. MAXIMUM     67.2              64.3     2.9     68.0
AVG. MINIMUM     49.0              47.8     1.2     50.4
MEAN             58.1              56.0     2.1     59.2
DAYS MAX >= 90      0               0.0     0.0        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         3.79   2009
 MINIMUM         0.64   1992
TOTALS           3.15              2.16    0.99     1.63
DAILY AVG.       0.10              0.07    0.03     0.05
DAYS >= .01        13              12.5     0.5       13
DAYS >= .10         9               6.5     2.5        8
DAYS >= .50         1               1.0     0.0        0
DAYS >= 1.00        0               0.1    -0.1        0

DEGREE_DAYS
HEATING TOTAL     213               281     -68      176
 SINCE 7/1       4276              4454    -178     3718
COOLING TOTAL       9                 3       6        5
 SINCE 1/1          9                 3       6       11
.................................................................

WIND (MPH)
HIGHEST GUST SPEED/DIRECTION    MM        DATE   MM


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                3     RAIN                       5
LIGHT RAIN               14     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      1
FOG                       7     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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