Climatological Report (Daily)
Issued by NWS

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
946
CDUS46 KSEW 010826
CLISEA

CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
126 AM PDT FRI AUG 01 2025

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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JULY 31 2025...

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


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         80    413 PM  95    2022  79      1       80
  MINIMUM         60    546 AM  47    1954  58      2       59
  AVERAGE         70                        68      2       70

PRECIPITATION (IN)
  YESTERDAY        0.00          0.26 1955   0.02  -0.02      T
  MONTH TO DATE    0.01                      0.60  -0.59     0.16
  SINCE OCT 1     27.77                     36.76  -8.99    33.65
  SINCE JAN 1     14.37                     20.82  -6.45    16.50

SNOWFALL (IN)
  YESTERDAY        0.0          MM      MM                   0.0
  MONTH TO DATE    0.0                                       0.0
  SINCE OCT 1      2.3                                       0.3
  SINCE JUL 1      0.0                                       0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE   21                        36    -15        7
  SINCE JUN 1    115                       154    -39      139
  SINCE JUL 1     21                        36    -15        7

 COOLING
  YESTERDAY        5                         4      1        5
  MONTH TO DATE  119                        96     23      164
  SINCE JUN 1    161                       125     36      183
  SINCE JAN 1    164                       135     29      190
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   4   RESULTANT WIND DIRECTION   W (280)
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION     N (10)
  HIGHEST GUST SPEED    15   HIGHEST GUST DIRECTION    NW (300)
  AVERAGE WIND SPEED     5.0


SKY COVER
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    81           400 AM
 LOWEST     43           500 PM
 AVERAGE    62

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   79        92      1949
                                             2015
 MINIMUM TEMPERATURE (F)   58        48      1945


SUNRISE AND SUNSET
AUGUST  1 2025........SUNRISE   548 AM PDT   SUNSET   842 PM PDT
AUGUST  2 2025........SUNRISE   549 AM PDT   SUNSET   841 PM PDT


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




$$