Climatological Report (Monthly)
Issued by NWS

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29
000
CXUS56 KSEW 011046
CLMSEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
346 AM PDT MON AUG 1 2016

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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF JULY 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             103   07/29/2009
 LOW               43   07/02/1954
                        07/24/1953
                        07/04/1949
HIGHEST            89   07/29        MM      MM       95  07/19
LOWEST             55   07/05        MM      MM       54  07/27
                        07/01
AVG. MAXIMUM     76.0              75.8     0.2     82.6
AVG. MINIMUM     57.6              55.6     2.0     59.9
MEAN             66.8              65.7     1.1     71.2
DAYS MAX >= 90      0               1.4    -1.4       10
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         2.39   1983
 MINIMUM            T   2013
                        1960
TOTALS           0.72              0.70    0.02     0.09
DAILY AVG.       0.02              0.02    0.00     0.00
DAYS >= .01         6               5.0     1.0        2
DAYS >= .10         3               2.3     0.7        0
DAYS >= .50         0               0.2    -0.2        0
DAYS >= 1.00        0               0.0     0.0        0
GREATEST
 24 HR. TOTAL    0.33   07/22 TO 07/22

DEGREE_DAYS
HEATING TOTAL      11                49     -38        2
 SINCE 7/1         11                49     -38        2
COOLING TOTAL      75                71       4      203
 SINCE 1/1        155                98      57      328
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              7.0
HIGHEST WIND SPEED/DIRECTION    22/010    DATE  07/14
HIGHEST GUST SPEED/DIRECTION    25/010    DATE  07/14

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR            5
NUMBER OF DAYS PC             17
NUMBER OF DAYS CLOUDY          9

AVERAGE RH (PERCENT)     70

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       1
LIGHT RAIN                8     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       6     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.

$$


USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.