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William R Fairchild International Airport, Washington

Medium airport in Clallam County, Washington

Air quality

The air at William R Fairchild International Airport

Index 54, moderate, led by fine particles. Read at 3 AM from its reporting area, Port Angeles (WA), 14 miles off.

54Moderate
  • Fine particles (PM2.5)54Moderate-

The days ahead

Good each day through Mon Oct 19, led by fine particles. Yesterday measured 52, moderate.

Smoke, the next 45 hours

Little smoke near the ground through Sat 11 PM: the index from smoke stays at 11 or under.

FriSat

Precipitation

What has fallen at William R Fairchild International Airport

None in the last 24 hours; 0.01 in over the last 3 days, to Fri 2 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.01in

Visibility

How far you can see at William R Fairchild International Airport, the next 45 hours

Fog: visibility falls to 0.9 miles Fri 8 PM, under a mile for 1 hour.

FriSat

Airfield

Code
CLM
ICAO
KCLM
IATA
CLM
Field elevation
291 ft
Serves
Port Angeles
Kind
Medium airport
Scheduled service
No
Its own instrument
CLM
Wind now
From 220° at 6 mph, read 16 Oct, 02:53

Runways

RunwayLengthWidthSurfaceHeading, trueWind along it nowCrosswind now
09 / 276,347 ft150 ftAsphalt104° / 284°3 mph head, on 275 mph from the left
13 / 313,255 ft50 ftAsphalt148° / 328°2 mph head, on 136 mph from the right
092713312,500 ftN220° 6 mph
Runways from their surveyed ends, north up, lengths and positions to scale; the rose in the corner is the wind now.

Measured here

What the airfield's own instrument measured, the last 24 hours

Every hour from Port Angeles (CLM), William R Fairchild International Airport's own instrument, measure by measure, on the field's own clock.

Temperature

42 F at 2 AM; 57 F at its warmest, 2 PM Thursday, and 42 F at its coolest, 2 AM.

Now
42F
2 AM
Highest
57F
2 PM Thursday
Lowest
42F
2 AM
Temperature and Dew point at Port Angeles, temperature from 42.0 to 57.0, the latest 42.0; dew point from 42.0 to 51.0, the latest 42.0, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF40455055606 AM9 AM12 PM3 PM6 PM9 PMOct 163 AMTEMPERATUREDEW POINT

How it is measured: Stevenson screen and siting, Field Book FB-INS-009

Humidity and dew point

A dew point of 42 F, the air 100% saturated; the humidity ran from 72% at 4 PM Thursday to 100% at 1 AM.

Dew point now
42F
2 AM
Humidity now
100%
Humidity, range
72 to 100%
Relative humidity at Port Angeles, relative humidity from 72 to 100, the latest 100, in per cent.RELATIVE HUMIDITY%7080901006 AM9 AM12 PM3 PM6 PM9 PMOct 163 AM

How it is measured: Humidity variables, Field Book FB-WAT-002

Wind

1 mph from the south southwest at 3 AM; at its strongest 8 mph, 2 PM Thursday, and no gust reported.

Now
1mph
from the south southwest
Strongest
8mph
2 PM Thursday
Highest gust
-
none reported
Wind at Port Angeles, wind from 1 to 8, the latest 1, in miles an hour.WINDmph02468106 AM9 AM12 PM3 PM6 PM9 PMOct 163 AM
Wind direction at Port Angeles, wind direction from 70 to 240, the latest 210, in degrees.WIND DIRECTION°0901802703606 AM9 AM12 PM3 PM6 PM9 PMOct 163 AM

How it is measured: Coriolis as geometry, Field Book FB-ENG-008

Pressure

30.23 inHg at 3 AM, steady over 3 hours; 0.19 inHg lower than a day before.

Now
30.23inHg
3 AM
3 hours
-0.01inHg
steady
24 hours
-0.19inHg
Pressure, altimeter at Port Angeles, pressure, altimeter from 30.23 to 30.43, the latest 30.23, in inches of mercury.PRESSURE, ALTIMETERinHg30.2030.2530.3030.3530.4030.456 AM9 AM12 PM3 PM6 PM9 PMOct 163 AM

How it is measured: Hydrostatic balance, Field Book FB-ENG-003

Visibility

Down to 0.2 miles at 12 PM Thursday, under a mile for 2 hours; 7 miles now.

Now
7mi
Lowest
0.2mi
12 PM Thursday
Hours under a mile
2
Visibility at Port Angeles, visibility from 0.2 to 10.0, the latest 7.0, in miles.VISIBILITYmi02.557.5106 AM9 AM12 PM3 PM6 PM9 PMOct 163 AMLIFRIFRMVFRVFR

How it is measured: Fog types, Field Book FB-WAT-020

Cloud base

The lowest cloud base came down to 200 ft at 11 AM Thursday; a base was reported in 10 of the hours.

Lowest base now
-
Lowest in 24 hours
200ft
11 AM Thursday
Hours with a base reported
10
Lowest cloud base at Port Angeles, lowest cloud base from 200 to 1,200, the latest 200, in feet.LOWEST CLOUD BASEft02505007501,0001,2506 AM9 AM12 PM3 PM6 PM9 PMOct 163 AMLIFRIFRMVFR

How it is measured: Cloud classification, Field Book FB-SKY-001

Precipitation

None measured in the gauge in the last 24 hours.

Last 24 hours
0.00in
Wettest hour
-
Hours with some
0

How it is measured: ASOS, Field Book FB-INS-002

Port Angeles: every reading, the last 7 days, 30 days and the year, and how well it reports

What is measuring near here

The 5 instruments nearest William R Fairchild International Airport, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.3 miles away.

measured now3 instruments

Port AngelesCLM

At an airfield/0.3 mi away/262 ft/29 ft below here

temp, wind, gust, visibility, precip, pressure

Morse CreekMOCW1

At a river or reservoir gauge/9.0 mi away/732 ft/441 ft above here

temp, wind, gust, humidity, pressure

measured daily2 instruments

Port Angeles 4.1 SSWWA-CM-58

In a volunteer observer's own ground/1.3 mi away/109 ft/182 ft below here

precip, snowfall, snow depth

Sequim 2 ESEQW1

At a cooperative observer's station/20.3 mi away/108 ft/183 ft below here

snowfall, snow depth, precip, high, low

-

Snow on the ground

Elsewhere in Washington

23 places, each with its own forecast and its own instruments.

Near William R Fairchild International Airport

The nearest places, each with its own forecast and the instruments nearest it.

Near William R Fairchild International Airport