463
CXUS56 KSEW 011134
CLMSEA

CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
334 AM PST SAT MAR 01 2025

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...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF FEBRUARY 2025...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1945 TO 2025

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           63   02/27         MM      MM       58  02/01
LOWEST            20   02/12         MM      MM       29  02/27
AVG. MAXIMUM    45.9               50.3    -4.4     49.6
AVG. MINIMUM    35.0               37.7    -2.7     39.1
MEAN            40.4               44.0    -3.6     44.3
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32     0                0.1    -0.1        0
DAYS MIN <= 32    12                5.8     6.2        2
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        9.11   1961
 MINIMUM        0.35   1993
TOTALS          3.48               3.76   -0.28     3.84
DAILY AVG.      0.12               0.13   -0.01     0.13
DAYS >= .01       17               15.9     1.1       17
DAYS >= .10       10                9.3     0.7       11
DAYS >= .50        1                2.4    -1.4        2
DAYS >= 1.00       0                0.4    -0.4        0
GREATEST
 24 HR. TOTAL   0.86   02/22 TO 02/23

SNOWFALL (INCHES)
RECORDS
 TOTAL          20.2   2019
TOTALS           2.3                2.2     0.1        T
SINCE 7/1        2.3                5.9    -3.6       MM
SNOWDEPTH AVG.     0                                   0
DAYS >= 1.0        2                                   0
GREATEST
 SNOW DEPTH        1   02/03                           0
                       02/05
 24 HR TOTAL      MM                                  MM

DEGREE DAYS
HEATING TOTAL    678                588      90      593
 SINCE 7/1      3157               3046     111       MM
COOLING TOTAL      0                  0       0        0
 SINCE 1/1         0                  0       0       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.5
HIGHEST WIND SPEED/DIRECTION    36/180    DATE  02/25
HIGHEST GUST SPEED/DIRECTION    52/170    DATE  02/25

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.76
NUMBER OF DAYS FAIR            3
NUMBER OF DAYS PC              6
NUMBER OF DAYS CLOUDY         19

AVERAGE RH (PERCENT)     77

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       2
LIGHT RAIN               17     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       1
LIGHT SNOW               10     SLEET                      0
FOG                      21     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.

$$