689
CXUS56 KSEW 040421
CLMSEW

CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
821 PM PST SUN DEC 03 2023

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

...THE SEATTLE WA WFO CLIMATE SUMMARY FOR THE MONTH OF NOVEMBER 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             76   11/03/2010
 LOW               3   11/06/2020
HIGHEST           65   11/04         MM      MM       60  11/04
LOWEST            27   11/28         MM      MM       27  11/28
AVG. MAXIMUM    52.5               51.9     0.6     49.7
AVG. MINIMUM    39.6               40.9    -1.3     36.1
MEAN            46.0               46.4    -0.4     42.9
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32     0                0.1    -0.1        0
DAYS MIN <= 32     6                2.7     3.3        7
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       11.56   2006
 MINIMUM        1.77   2019
TOTALS          4.78               5.85   -1.07     5.15
DAILY AVG.      0.16               0.19   -0.03     0.17
DAYS >= .01       18               18.6    -0.6       13
DAYS >= .10       13               12.3     0.7       10
DAYS >= .50        3                3.8    -0.8        5
DAYS >= 1.00       0                1.0    -1.0        1

SNOWFALL (INCHES)
TOTALS           0.0                                 0.2
SINCE 7/1        0.0                                  MM
SNOWDEPTH AVG.     0                                   0
GREATEST
 SNOW DEPTH        0                                   0  MM

DEGREE DAYS
HEATING TOTAL    466                558     -92      657
 SINCE 7/1       876               1072    -196       MM
COOLING TOTAL      0                  0       0        0
 SINCE 1/1       341                210     131       MM
................................................................


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       7
LIGHT RAIN               18     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       9     FOG W/VIS <= 1/4 MILE      1
HAZE                      0

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

$$