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000
CXUS56 KSEW 011035
CLMSEW

CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
335 AM PDT MON MAY 01 2023

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

...THE SEATTLE WA WFO CLIMATE SUMMARY FOR THE MONTH OF APRIL 2023...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1894 TO 2023

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             89   04/18/2016
 LOW              31   04/04/2009
                       04/03/2008
                       04/01/1953
HIGHEST           77   04/29         MM      MM       74  04/07
LOWEST            36   04/04         MM      MM       34  04/13
                       04/05
                       04/17
AVG. MAXIMUM    56.7               58.8    -2.1     56.5
AVG. MINIMUM    42.0               42.8    -0.8     40.6
MEAN            49.3               50.8    -1.5     48.6
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     0                0.1    -0.1        0
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        6.27   1993
 MINIMUM        0.64   2004
TOTALS          3.15               2.98    0.17     2.94
DAILY AVG.      0.11               0.10    0.01     0.10
DAYS >= .01       20               15.6     4.4       21
DAYS >= .10       10                8.8     1.2       10
DAYS >= .50        1                1.3    -0.3        0
DAYS >= 1.00       0                0.2    -0.2        0

SNOWFALL (INCHES)
TOTALS           0.0                                 0.0
SINCE 7/1        2.6                                  MM
SNOWDEPTH AVG.     0                                   0
GREATEST
 SNOW DEPTH        0                                   0  MM

DEGREE DAYS
HEATING TOTAL    464                426      38      487
 SINCE 7/1      4082               4101     -19       MM
COOLING TOTAL      0                  0       0        0
 SINCE 1/1         0                  0       0       MM
................................................................


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       3
LIGHT RAIN               20     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.

$$