Climatological Report (Monthly)
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000
CXUS56 KSEW 011700
CLMSEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
1000 AM PDT WED JUL 1 2015

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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF JUNE 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              96   06/30/1995
                        06/09/1955
 LOW               38   06/12/1952
HIGHEST            92   06/27        MM      MM       79  06/25
LOWEST             49   06/13        MM      MM       48  06/16
AVG. MAXIMUM     78.9              69.9     9.0     70.9
AVG. MINIMUM     56.4              51.9     4.5     53.2
MEAN             67.7              60.9     6.8     62.0
DAYS MAX >= 90      1               0.5     0.5        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         3.90   1946
 MINIMUM         0.13   1951
TOTALS           0.23              1.57   -1.34     0.73
DAILY AVG.       0.01              0.05   -0.04     0.02
DAYS >= .01         4               9.1    -5.1        9
DAYS >= .10         1               4.4    -3.4        2
DAYS >= .50         0               0.8    -0.8        0
DAYS >= 1.00        0               0.2    -0.2        0
GREATEST
 24 HR. TOTAL    0.20   06/01 TO 06/02

DEGREE_DAYS
HEATING TOTAL      29               144    -115       94
 SINCE 7/1       3555              4697   -1142     4246
COOLING TOTAL     118                21      97       11
 SINCE 1/1        125                27      98       26
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              7.3
HIGHEST WIND SPEED/DIRECTION    22/340    DATE  06/05
HIGHEST GUST SPEED/DIRECTION    28/340    DATE  06/05

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR           10
NUMBER OF DAYS PC             15
NUMBER OF DAYS CLOUDY          5

AVERAGE RH (PERCENT)     56

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       1
LIGHT RAIN                7     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       3     FOG W/VIS <= 1/4 MILE      0
HAZE                      1

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

$$


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