595
CXUS56 KSEW 011043
CLMSEW

CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
343 AM PDT MON JUN 01 2026

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

...THE SEATTLE WA WFO CLIMATE SUMMARY FOR THE MONTH OF MAY 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             90   05/17/2008
 LOW              35   05/07/2002
                       05/06/2002
HIGHEST           83   05/12         MM      MM       85  05/28
LOWEST            43   05/30         MM      MM       41  05/06
                                                          05/05
AVG. MAXIMUM    67.9               65.3     2.6     67.3
AVG. MINIMUM    49.5               48.3     1.2     47.6
MEAN            58.7               56.8     1.9     57.4
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        4.21   2020
 MINIMUM        0.30   2018
TOTALS          0.90               2.16   -1.26     2.06
DAILY AVG.      0.03               0.07   -0.04     0.07
DAYS >= .01        7               12.2    -5.2       13
DAYS >= .10        4                6.4    -2.4        5
DAYS >= .50        0                0.9    -0.9        1
DAYS >= 1.00       0                0.1    -0.1        0

DEGREE DAYS
HEATING TOTAL    195                258     -63      219
 SINCE 7/1      3627               4356    -729       MM
COOLING TOTAL      6                  4       2        3
 SINCE 1/1         6                  4       2       MM
................................................................


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                9     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       1     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.

$$