Climatological Report (Monthly)
Issued by NWS

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CXUS56 KSEW 011139
CLMSEA

CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
339 AM PST FRI MAR 01 2024

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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF FEBRUARY 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             70   02/27/1968
 LOW               1   02/01/1950
HIGHEST           58   02/01         MM      MM       57  02/09
LOWEST            29   02/27         MM      MM       22  02/24
AVG. MAXIMUM    49.6               50.3    -0.7     46.3
AVG. MINIMUM    39.1               37.7     1.4     35.0
MEAN            44.3               44.0     0.3     40.7
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32     0                0.1    -0.1        0
DAYS MIN <= 32     2                5.8    -3.8       12
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        9.11   1961
 MINIMUM        0.35   1993
TOTALS          3.84               3.76    0.08     2.36
DAILY AVG.      0.13                NAN     NAN     0.08
DAYS >= .01       17               15.9     1.1       18
DAYS >= .10       11                9.3     1.7        8
DAYS >= .50        2                2.4    -0.4        0
DAYS >= 1.00       0                0.4    -0.4        0
GREATEST
 24 HR. TOTAL   0.95   02/28 TO 02/28

SNOWFALL (INCHES)
RECORDS
 TOTAL          20.2   2019
TOTALS             T                2.2    -2.2      2.2
SINCE 7/1          T                5.9    -5.9       MM
SNOWDEPTH AVG.     0                                   0
DAYS >= 1.0        0                                   1
GREATEST
 SNOW DEPTH        0                                   2
 24 HR TOTAL      MM                                  MM

DEGREE DAYS
HEATING TOTAL    593                588       5      674
 SINCE 7/1      2890               3086    -196       MM
COOLING TOTAL      0                  0       0        0
 SINCE 1/1         0                  0       0       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.0
HIGHEST WIND SPEED/DIRECTION    29/220    DATE  02/25
                                29/190          02/28
HIGHEST GUST SPEED/DIRECTION    44/220    DATE  02/25

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.83
NUMBER OF DAYS FAIR            0
NUMBER OF DAYS PC              8
NUMBER OF DAYS CLOUDY         21

AVERAGE RH (PERCENT)     74

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       1
LIGHT RAIN               20     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       1
LIGHT SNOW                4     SLEET                      1
FOG                      17     FOG W/VIS <= 1/4 MILE      2
HAZE                      0

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

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