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Dillon Airport, Montana

Small airport in Beaverhead County, Montana

Air quality

The air at Dillon Airport

Index 28, good, led by fine particles. Read at 7 PM from its reporting area, Dillon (MT), 6 miles off.

28Good
  • Fine particles (PM2.5)28Good-

The days ahead

Yesterday measured 21, good.

Smoke, the next 42 hours

No smoke near the ground through Sat 12 PM.

ThuFriSat

Precipitation

What has fallen at Dillon Airport

None in the last 3 days, to Thu 6 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.00in

Visibility

How far you can see at Dillon Airport, the next 42 hours

Visibility stays 10 miles or more through Sat 12 PM.

ThuFriSat

Airfield

Code
DLN
ICAO
KDLN
IATA
DLN
Field elevation
5,241 ft
Serves
Dillon
Kind
Small airport
Scheduled service
No
Its own instrument
DLN
Wind now
Calm, read 15 Oct, 18:53

Runways

RunwayLengthWidthSurfaceHeading, trueWind along it nowCrosswind now
04 / 223,600 ft60 ftAsphalt48° / 228°CalmCalm
17 / 356,501 ft75 ftAsphalt180° / 0°CalmCalm
042217352,500 ftN
Runways from their surveyed ends, north up, lengths and positions to scale.

Measured here

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

Every hour from Dillon Airport (DLN), Dillon Airport's own instrument, measure by measure, on the field's own clock.

Temperature

45 F at 6 PM; 50 F at its warmest, 4 PM, and 27 F at its coolest, 6 AM.

Now
45F
6 PM
Highest
50F
4 PM
Lowest
27F
6 AM
Temperature and Dew point at Dillon Airport, temperature from 27.0 to 50.0, the latest 45.0; dew point from 25.0 to 35.0, the latest 32.0, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF203040509 PMOct 153 AM6 AM9 AM12 PM3 PM6 PMFREEZINGTEMPERATUREDEW POINT

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

Humidity and dew point

A dew point of 32 F, the air 60% saturated; the humidity ran from 50% at 5 PM to 92% at 8 AM.

Dew point now
32F
6 PM
Humidity now
60%
Humidity, range
50 to 92%
Relative humidity at Dillon Airport, relative humidity from 50 to 92, the latest 60, in per cent.RELATIVE HUMIDITY%4060801009 PMOct 153 AM6 AM9 AM12 PM3 PM6 PM

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

Wind

Calm at 7 PM; at its strongest 8 mph, 3 AM, and no gust reported.

Now
0mph
calm
Strongest
8mph
3 AM
Highest gust
-
none reported
Wind at Dillon Airport, wind from 0 to 8, the latest 0, in miles an hour.WINDmph02.557.5109 PMOct 153 AM6 AM9 AM12 PM3 PM6 PM
Wind direction at Dillon Airport, wind direction from 20 to 310, the latest 270, in degrees.WIND DIRECTION°0901802703609 PMOct 153 AM6 AM9 AM12 PM3 PM6 PM

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

Pressure

30.65 inHg at 7 PM, steady over 3 hours; 0.34 inHg higher than a day before.

Now
30.65inHg
7 PM
3 hours
+0.01inHg
steady
24 hours
+0.34inHg
Pressure, altimeter at Dillon Airport, pressure, altimeter from 30.31 to 30.68, the latest 30.65, in inches of mercury.PRESSURE, ALTIMETERinHg30.3030.4030.5030.6030.709 PMOct 153 AM6 AM9 AM12 PM3 PM6 PM

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

Visibility

10 miles or more every hour.

Now
10+mi
Lowest
10+mi
Hours under a mile
0
Visibility at Dillon Airport, visibility from 10.0 to 10.0, the latest 10.0, in miles.VISIBILITYmi02.557.5109 PMOct 153 AM6 AM9 AM12 PM3 PM6 PMLIFRIFRMVFRVFR

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

Cloud base

The lowest cloud base came down to 2,300 ft at 9 AM; a base was reported in 4 of the hours.

Lowest base now
-
Lowest in 24 hours
2,300ft
9 AM
Hours with a base reported
4
Lowest cloud base at Dillon Airport, lowest cloud base from 2,300 to 4,500, the latest 4,000, in feet.LOWEST CLOUD BASEft2,0003,0004,0005,0009 PMOct 153 AM6 AM9 AM12 PM3 PM6 PMMVFRVFR

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

Dillon Airport: 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 Dillon Airport, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.0 miles away.

measured now3 instruments

Dillon AirportDLN

At an airfield/0.0 mi away/5,240 ft/1 ft below here

temp, wind, gust, visibility, precip, pressure

Dillon AirportDLN

At an airfield/0.2 mi away/5,197 ft/44 ft below here

temp, wind, gust, humidity, pressure

measured daily2 instruments

Dillon 5.3 ENEMT-BV-2

In a volunteer observer's own ground/1.3 mi away/5,299 ft/58 ft above here

precip, snowfall, snow depth

Dillon WmceDLLM8

At a cooperative observer's station/5.3 mi away/5,105 ft/136 ft below here

snowfall, snow depth, precip, high, low

-

Snow on the ground

Elsewhere in Montana

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

Near Dillon Airport

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

Near Dillon Airport