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Houlton International Airport, Maine

Medium airport in Aroostook County, Maine

Air quality

The air at Houlton International Airport

Index 53, moderate, led by fine particles. Read at 6 AM from its reporting area, Northern (ME), 48 miles off.

53Moderate
  • Fine particles (PM2.5)53Moderate-
  • Coarse particles (PM10)11Good-

The days ahead

Good each day through Tue Oct 20, led by ozone. Yesterday measured 31, good.

Smoke, the next 45 hours

No smoke near the ground through Sun 2 AM.

FriSat

Precipitation

What has fallen at Houlton International Airport

None in the last 24 hours; 1.05 in over the last 3 days, to Fri 5 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
1.05in

Visibility

How far you can see at Houlton International Airport, the next 45 hours

Fog: visibility falls to 0.3 miles Fri 9 PM, under a mile for 1 hour.

FriSat

Airfield

Code
HUL
ICAO
KHUL
IATA
HUL
Field elevation
489 ft
Serves
Houlton
Kind
Medium airport
Scheduled service
No
Its own instrument
HUL
Wind now
Calm, read 16 Oct, 05:53

Runways

RunwayLengthWidthSurfaceHeading, trueWind along it nowCrosswind now
01 / 19 unlit2,700 ft60 ftAsphalt352° / 172°CalmCalm
05 / 235,015 ft100 ftAsphalt31° / 211°CalmCalm
011905232,000 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 Houlton INTL Arpt (HUL), Houlton International Airport's own instrument, measure by measure, on the field's own clock.

Temperature

32 F at 5 AM; 52 F at its warmest, 12 PM Thursday, and 27 F at its coolest, 1 AM.

Now
32F
5 AM
Highest
52F
12 PM Thursday
Lowest
27F
1 AM
Temperature and Dew point at Houlton INTL Arpt, temperature from 27.0 to 52.0, the latest 32.0; dew point from 26.0 to 34.0, the latest 30.0, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF20304050609 AM12 PM3 PM6 PM9 PMOct 163 AM6 AMFREEZINGTEMPERATUREDEW POINT

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

Humidity and dew point

A dew point of 30 F, the air 92% saturated; the humidity ran from 41% at 1 PM Thursday to 100% at 4 AM.

Dew point now
30F
5 AM
Humidity now
92%
Humidity, range
41 to 100%
Relative humidity at Houlton INTL Arpt, relative humidity from 41 to 100, the latest 92, in per cent.RELATIVE HUMIDITY%4060801009 AM12 PM3 PM6 PM9 PMOct 163 AM6 AM

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

Wind

1 mph from the south at 6 AM; at its strongest 15 mph, 1 PM Thursday, with a gust of 33 mph at 1 PM Thursday.

Now
1mph
from the south
Strongest
15mph
1 PM Thursday
Highest gust
33mph
1 PM Thursday
Wind and Gust at Houlton INTL Arpt, wind from 0 to 15, the latest 1; gust from 21 to 33, the latest 21, in miles an hour.WIND AND GUSTmph0102030409 AM12 PM3 PM6 PM9 PMOct 163 AM6 AMWINDGUST
Wind direction at Houlton INTL Arpt, wind direction from 190 to 350, the latest 190, in degrees.WIND DIRECTION°0901802703609 AM12 PM3 PM6 PM9 PMOct 163 AM6 AM

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

Pressure

30.05 inHg at 6 AM, falling 0.04 inHg over 3 hours; 0.04 inHg higher than a day before.

Now
30.05inHg
6 AM
3 hours
-0.04inHg
falling
24 hours
+0.04inHg
Pressure, altimeter at Houlton INTL Arpt, pressure, altimeter from 30.01 to 30.16, the latest 30.05, in inches of mercury.PRESSURE, ALTIMETERinHg30.0030.0530.1030.1530.209 AM12 PM3 PM6 PM9 PMOct 163 AM6 AM

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 Houlton INTL Arpt, visibility from 10.0 to 10.0, the latest 10.0, in miles.VISIBILITYmi02.557.5109 AM12 PM3 PM6 PM9 PMOct 163 AM6 AMLIFRIFRMVFRVFR

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

Cloud base

The lowest cloud base came down to 3,300 ft at 9 AM Thursday; a base was reported in 5 of the hours.

Lowest base now
-
Lowest in 24 hours
3,300ft
9 AM Thursday
Hours with a base reported
5
Lowest cloud base at Houlton INTL Arpt, lowest cloud base from 3,300 to 4,600, the latest 4,600, in feet.LOWEST CLOUD BASEft3,0003,5004,0004,5005,0009 AM12 PM3 PM6 PM9 PMOct 163 AM6 AMVFR

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

Houlton INTL Arpt: every reading, the last 7 days, 30 days and the year, and how well it reports

What is measuring near here

The 4 instruments nearest Houlton International 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

Houlton INTL ArptHUL

At an airfield/0.0 mi away/492 ft/3 ft above here

temp, wind, gust, visibility, precip, pressure

I-95 SB Ludlow102693

Beside a road/8.0 mi away/-/- ft from here

temp, pavement temp, wind, visibility, precip

Danforth - McoopDANM1

At a river or reservoir gauge/32.1 mi away/446 ft/43 ft below here

temp, wind, gust, humidity, pressure

measured daily1 instrument

Houlton 0.4 NNEME-AR-37

In a volunteer observer's own ground/1.9 mi away/403 ft/86 ft below here

precip, snowfall, snow depth

-

Snow on the ground

Elsewhere in Maine

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

Near Houlton International Airport

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

Near Houlton International Airport