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CXUS56 KSEW 011036
CLMSEA

CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
336 AM PDT FRI NOV 01 2024

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...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2024...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1945 TO 2024

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             89   10/01/1987
 LOW              28   10/19/1949
HIGHEST           75   10/07         MM      MM       79  10/07
LOWEST            41   10/31         MM      MM       32  10/29
AVG. MAXIMUM    60.6               60.5     0.1     61.7
AVG. MINIMUM    47.4               47.0     0.4     47.3
MEAN            54.0               53.8     0.2     54.5
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     0                0.2    -0.2        1
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       10.05   2016
 MINIMUM        0.31   1987
TOTALS          3.04               3.91   -0.87     2.89
DAILY AVG.      0.10               0.13   -0.03     0.10
DAYS >= .01       16               14.3     1.7       12
DAYS >= .10        8                8.4    -0.4        7
DAYS >= .50        1                2.6    -1.6        2
DAYS >= 1.00       0                0.7    -0.7        0
GREATEST
 24 HR. TOTAL   0.80   10/26 TO 10/27

SNOWFALL (INCHES)
RECORDS
 TOTAL            MM   MM
TOTALS           0.0                0.0     0.0      0.0
SINCE 7/1        0.0                0.0     0.0       MM
SNOWDEPTH AVG.     0                                   0
DAYS >= 1.0        0                                   0
GREATEST
 SNOW DEPTH        0                                   0
 24 HR TOTAL      MM                                 0.0

DEGREE DAYS
HEATING TOTAL    336                349     -13      285
 SINCE 7/1       480                506     -26       MM
COOLING TOTAL      0                  0       0        0
 SINCE 1/1       315                263      52       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              7.6
HIGHEST WIND SPEED/DIRECTION    28/190    DATE  10/26
HIGHEST GUST SPEED/DIRECTION    43/190    DATE  10/20

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.72
NUMBER OF DAYS FAIR            1
NUMBER OF DAYS PC             12
NUMBER OF DAYS CLOUDY         18

AVERAGE RH (PERCENT)     75

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP               0
HEAVY RAIN                3     RAIN                       5
LIGHT RAIN               20     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      19     FOG W/VIS <= 1/4 MILE      3
HAZE                      3

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

$$