Climatological Report (Daily)
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074
CDUS46 KSEW 260827
CLISEA

CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
127 AM PDT SAT JUL 26 2025

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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JULY 25 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         71    543 PM  94    1988  79     -8       73
  MINIMUM         55    823 AM  47    1954  58     -3       57
  AVERAGE         63                        68     -5       65

PRECIPITATION (IN)
  YESTERDAY        0.01          0.40 1983   0.02  -0.01     0.00
  MONTH TO DATE    0.01                      0.50  -0.49      T
  SINCE OCT 1     27.77                     36.66  -8.89    33.49
  SINCE JAN 1     14.37                     20.72  -6.35    16.34

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        2                         1      1        0
  MONTH TO DATE   18                        31    -13        4
  SINCE JUN 1    112                       149    -37      136
  SINCE JUL 1     18                        31    -13        4

 COOLING
  YESTERDAY        0                         4     -4        0
  MONTH TO DATE   97                        72     25      152
  SINCE JUN 1    139                       101     38      171
  SINCE JAN 1    142                       111     31      178
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   4   RESULTANT WIND DIRECTION  SW (230)
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION     W (290)
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION     W (260)
  AVERAGE WIND SPEED     6.7


SKY COVER
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    96           700 AM
 LOWEST     53           500 PM
 AVERAGE    75

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   79        94      2022
 MINIMUM TEMPERATURE (F)   58        49      1952


SUNRISE AND SUNSET
JULY 26 2025..........SUNRISE   540 AM PDT   SUNSET   850 PM PDT
JULY 27 2025..........SUNRISE   542 AM PDT   SUNSET   849 PM PDT


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




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