735
CXUS56 KSEW 011037
CLMSEW

CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
337 AM PDT TUE SEP 01 2026

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

...THE SEATTLE WA WFO CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2026...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1894 TO 2026

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             97   08/16/2020
 LOW              47   08/17/2000
HIGHEST           88   08/07         MM      MM       93  08/12
                       08/25
LOWEST            51   08/03         MM      MM       54  08/08
                                                          08/21
AVG. MAXIMUM    79.3               77.0     2.3     79.7
AVG. MINIMUM    57.8               57.1     0.7     59.7
MEAN            68.6               67.1     1.5     69.7
DAYS MAX >= 90     0                0.8    -0.8        1
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        3.05   2004
 MINIMUM        0.00   2012
TOTALS          0.62               1.00   -0.38     1.16
DAILY AVG.      0.02               0.03   -0.01     0.04
DAYS >= .01        2                5.6    -3.6        5
DAYS >= .10        1                2.7    -1.7        4
DAYS >= .50        1                0.5     0.5        0
DAYS >= 1.00       0                0.1    -0.1        0

DEGREE DAYS
HEATING TOTAL      4                 23     -19        2
 SINCE 7/1        16                 54     -38       MM
COOLING TOTAL    123                 86      37      157
 SINCE 1/1       285                186      99       MM
................................................................


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       1
LIGHT RAIN                5     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       0     FOG W/VIS <= 1/4 MILE      0
HAZE                      5

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

$$