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Cheboygan County Airport, Michigan

Small airport in Cheboygan County, Michigan

Air quality

The air at Cheboygan County Airport

Index 21, good, led by ozone. Read at 11 PM from its reporting area, Northcentral-Northeast Lower (MI), 62 miles off.

21Good
  • Fine particles (PM2.5)13Good-
  • Ozone21Good-

The days ahead

Good each day through Fri Oct 16, led by ozone. Yesterday measured 23, good.

Smoke, the next 46 hours

No smoke near the ground through Sat 8 PM.

FriSat

Precipitation

What has fallen at Cheboygan County Airport

0.40 in in the last 24 hours, 0.69 in over the last 3 days, to Thu 10 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.40in
Last 3 days
0.69in

Visibility

How far you can see at Cheboygan County Airport, the next 46 hours

Mist or haze: visibility falls to 2 miles Fri 4 AM.

FriSat

Airfield

Code
SLH
ICAO
KSLH
IATA
-
Field elevation
639 ft
Serves
Cheboygan
Kind
Small airport
Scheduled service
No
Its own instrument
SLH
Wind now
From 80° at 14 mph, read 15 Oct, 23:15

Runways

RunwayLengthWidthSurfaceHeading, trueWind along it nowCrosswind now
10 / 284,004 ft75 ftAsphalt90° / 270°14 mph head, on 102 mph from the left
17 / 35 unlit1,874 ft60 ftGrass163° / 343°2 mph head, on 1714 mph from the left
102817351,000 ftN80° 14 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 Cheboygan (SLH), Cheboygan County Airport's own instrument, measure by measure, on the field's own clock.

Temperature

50 F at 11 PM; 54 F at its warmest, 1 PM, and 45 F at its coolest, 12 AM.

Now
50F
11 PM
Highest
54F
1 PM
Lowest
45F
12 AM
Temperature and Dew point at Cheboygan, temperature from 45.2 to 53.6, the latest 50.0; dew point from 39.2 to 48.2, the latest 48.2, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF3540455055Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PMTEMPERATUREDEW POINT

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

Humidity and dew point

A dew point of 48 F, the air 93% saturated; the humidity ran from 64% at 1 PM to 96% at 9 PM.

Dew point now
48F
11 PM
Humidity now
93%
Humidity, range
64 to 96%
Relative humidity at Cheboygan, relative humidity from 64 to 96, the latest 93, in per cent.RELATIVE HUMIDITY%60708090100Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM

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

Wind

14 mph from the east at 11 PM; at its strongest 14 mph, 10 PM, with a gust of 18 mph at 10 PM.

Now
14mph
from the east
Strongest
14mph
10 PM
Highest gust
18mph
10 PM
Wind and Gust at Cheboygan, wind from 2 to 14, the latest 14; gust from 16 to 18, the latest 18, in miles an hour.WIND AND GUSTmph05101520Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PMWINDGUST
Wind direction at Cheboygan, wind direction from 40 to 360, the latest 80, in degrees.WIND DIRECTION°090180270360Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM

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

Pressure

29.78 inHg at 11 PM, falling 0.11 inHg over 3 hours; 0.48 inHg lower than a day before.

Now
29.78inHg
11 PM
3 hours
-0.11inHg
falling
24 hours
-0.48inHg
Pressure, altimeter at Cheboygan, pressure, altimeter from 29.78 to 30.28, the latest 29.78, in inches of mercury.PRESSURE, ALTIMETERinHg29.6029.8030.0030.2030.40Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM

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

Visibility

Down to 3 miles at 8 PM; 6 miles now.

Now
6mi
Lowest
3mi
8 PM
Hours under a mile
0
Visibility at Cheboygan, visibility from 3.0 to 10.0, the latest 6.0, in miles.VISIBILITYmi02.557.510Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PMLIFRIFRMVFRVFR

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

Cloud base

The lowest cloud base came down to 400 ft at 10 PM; a base was reported in 24 of the hours.

Lowest base now
400ft
Lowest in 24 hours
400ft
10 PM
Hours with a base reported
24
Lowest cloud base at Cheboygan, lowest cloud base from 400 to 3,700, the latest 400, in feet.LOWEST CLOUD BASEft01,0002,0003,0004,000Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PMLIFRIFRMVFRVFR

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

Precipitation

0.48 in measured in the gauge, the most, 0.17 in, in the hour to 9 PM.

Last 24 hours
0.48in
Wettest hour
0.17in
9 PM
Hours with some
6
Precipitation at Cheboygan, precipitation from 0.00 to 0.17, the latest 0.00, in inches.PRECIPITATIONin0.000.050.100.150.20Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM

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

Cheboygan: 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 Cheboygan County 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

CheboyganSLH

At an airfield/0.0 mi away/640 ft/1 ft above here

temp, wind, gust, visibility, precip, pressure

MI-02 LeveringMC076

Beside a road/5.7 mi away/778 ft/139 ft above here

temp, pavement temp, wind, visibility, precip

Indian River RAWSINDM4

A remote fire weather station/19.9 mi away/686 ft/47 ft above here

temp, wind, gust, humidity, pressure

measured daily2 instruments

CheboyganCHBM4

At a cooperative observer's station/2.3 mi away/577 ft/62 ft below here

snowfall, snow depth, precip, high, low

Cheboygan 2.1 SMI-CB-8

In a volunteer observer's own ground/3.5 mi away/637 ft/2 ft below here

precip, snowfall, snow depth

0in

Snow on the ground

Measured at Cheboygan (CHBM4), 2.3 miles from here, read 8 Oct, 08:00. measured daily

Elsewhere in Michigan

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

Near Cheboygan County Airport

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

Near Cheboygan County Airport