Climatological Report (Daily)
Issued by NWS

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000
CDUS46 KSEW 220838
CLISEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
138 AM PDT FRI JUN 22 2018


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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JUNE 21 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1945 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         69    440 PM  89    1992  71     -2       69
  MINIMUM         58   1159 PM  43    1947  53      5       53
  AVERAGE         64                        62      2       61

PRECIPITATION (IN)
  YESTERDAY        0.00          1.00 1967   0.05  -0.05     0.00
  MONTH TO DATE    0.43                      1.22  -0.79     1.52
  SINCE OCT 1     37.82                     34.06   3.76    48.80
  SINCE JAN 1     18.96                     18.66   0.30    28.40

DEGREE DAYS
 HEATING
  YESTERDAY        1                         4     -3        4
  MONTH TO DATE   82                       113    -31       89
  SINCE JUN 1     82                       113    -31       89
  SINCE JUL 1   4224                      4666   -442     4496

 COOLING
  YESTERDAY        0                         1     -1        0
  MONTH TO DATE   34                         9     25        7
  SINCE JUN 1     34                         9     25        7
  SINCE JAN 1     51                        15     36       26
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   9   RESULTANT WIND DIRECTION  SW (210)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION    SW (230)
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION    SW (220)
  AVERAGE WIND SPEED     8.8


SKY COVER
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    80          1200 AM
 LOWEST     58          1100 AM
 AVERAGE    69

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   71        92      1992
 MINIMUM TEMPERATURE (F)   53        45      1952


SUNRISE AND SUNSET
JUNE 22 2018..........SUNRISE   512 AM PDT   SUNSET   910 PM PDT
JUNE 23 2018..........SUNRISE   513 AM PDT   SUNSET   910 PM PDT


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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