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Hillsdale Municipal Airport, Michigan

Small airport in Hillsdale County, Michigan

Air quality

The air at Hillsdale Municipal Airport

Index 17, good, led by ozone. Read at 2 PM from its reporting area, Jackson (MI), 14 miles off.

17Good
  • Fine particles (PM2.5)5Good-
  • Ozone17Good-
  • Coarse particles (PM10)3Good-

The days ahead

Good each day through Mon Oct 19, led by ozone. Yesterday measured 22, good.

Smoke, the next 43 hours

No smoke near the ground through Sun 8 AM.

FriSatSun

Precipitation

What has fallen at Hillsdale Municipal Airport

0.11 in in the last 24 hours, 0.25 in over the last 3 days, to Fri 1 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.11in
Last 3 days
0.25in

Visibility

How far you can see at Hillsdale Municipal Airport, the next 43 hours

Visibility stays 5 miles or more through Sun 8 AM, lowest 6 miles Fri 6 PM.

FriSatSun

Airfield

Code
JYM
ICAO
KJYM
IATA
-
Field elevation
1,182 ft
Serves
Hillsdale
Kind
Small airport
Scheduled service
No
Its own instrument
JYM
Wind now
From 300° at 13 mph, read 16 Oct, 13:55

Runways

RunwayLengthWidthSurfaceHeading, trueWind along it nowCrosswind now
10 / 285,000 ft100 ftAsphalt94° / 274°12 mph head, on 286 mph from the right
10281,000 ftN300° 13 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 Hillsdale (JYM), Hillsdale Municipal Airport's own instrument, measure by measure, on the field's own clock.

Temperature

57 F at 2 PM; 68 F at its warmest, 1 AM, and 53 F at its coolest, 8 AM.

Now
57F
2 PM
Highest
68F
1 AM
Lowest
53F
8 AM
Temperature and Dew point at Hillsdale, temperature from 53.0 to 68.0, the latest 57.2; dew point from 48.2 to 66.2, the latest 48.2, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF4550556065703 PM6 PM9 PMOct 163 AM6 AM9 AM12 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 72% saturated; the humidity ran from 72% at 2 PM to 100% at 11 PM Thursday.

Dew point now
48F
2 PM
Humidity now
72%
Humidity, range
72 to 100%
Relative humidity at Hillsdale, relative humidity from 72 to 100, the latest 72, in per cent.RELATIVE HUMIDITY%7080901003 PM6 PM9 PMOct 163 AM6 AM9 AM12 PM

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

Wind

14 mph from the west northwest at 2 PM; at its strongest 18 mph, 6 AM, with a gust of 29 mph at 3 AM.

Now
14mph
from the west northwest
Strongest
18mph
6 AM
Highest gust
29mph
3 AM
Wind and Gust at Hillsdale, wind from 7 to 18, the latest 14; gust from 16 to 29, the latest 21, in miles an hour.WIND AND GUSTmph01020303 PM6 PM9 PMOct 163 AM6 AM9 AM12 PMWINDGUST
Wind direction at Hillsdale, wind direction from 120 to 320, the latest 290, in degrees.WIND DIRECTION°0901802703603 PM6 PM9 PMOct 163 AM6 AM9 AM12 PM

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

Pressure

29.92 inHg at 2 PM, rising 0.02 inHg over 3 hours; 0.09 inHg lower than a day before.

Now
29.92inHg
2 PM
3 hours
+0.02inHg
rising
24 hours
-0.09inHg
Pressure, altimeter at Hillsdale, pressure, altimeter from 29.72 to 30.01, the latest 29.92, in inches of mercury.PRESSURE, ALTIMETERinHg29.7029.8029.9030.0030.103 PM6 PM9 PMOct 163 AM6 AM9 AM12 PM

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

Visibility

Down to 1 miles at 9 AM; 10 miles or more now.

Now
10+mi
Lowest
1mi
9 AM
Hours under a mile
0
Visibility at Hillsdale, visibility from 1.3 to 10.0, the latest 10.0, in miles.VISIBILITYmi02.557.5103 PM6 PM9 PMOct 163 AM6 AM9 AM12 PMLIFRIFRMVFRVFR

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

Cloud base

The lowest cloud base came down to 200 ft at 11 PM Thursday; a base was reported in 24 of the hours.

Lowest base now
2,700ft
Lowest in 24 hours
200ft
11 PM Thursday
Hours with a base reported
24
Lowest cloud base at Hillsdale, lowest cloud base from 200 to 2,700, the latest 2,700, in feet.LOWEST CLOUD BASEft01,0002,0003,0003 PM6 PM9 PMOct 163 AM6 AM9 AM12 PMLIFRIFRMVFR

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

Precipitation

0.08 in measured in the gauge, the most, 0.07 in, in the hour to 9 PM Thursday.

Last 24 hours
0.08in
Wettest hour
0.07in
9 PM Thursday
Hours with some
2
Precipitation at Hillsdale, precipitation from 0.00 to 0.07, the latest 0.00, in inches.PRECIPITATIONin0.000.030.050.070.103 PM6 PM9 PMOct 163 AM6 AM9 AM12 PM

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

Hillsdale: 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 Hillsdale Municipal 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

HillsdaleJYM

At an airfield/0.0 mi away/1,181 ft/1 ft below here

temp, wind, gust, visibility, precip, pressure

MI-05 ColdwaterMC102

Beside a road/21.0 mi away/1,014 ft/168 ft below here

temp, pavement temp, wind, visibility, precip

Adrian [CCOOP]ARNM4

At a river or reservoir gauge/29.3 mi away/738 ft/444 ft below here

temp, wind, gust, humidity, pressure

measured daily2 instruments

Hillsdale 2.5 ESEMI-HL-15

In a volunteer observer's own ground/0.8 mi away/1,182 ft/level with here

precip, snowfall, snow depth

HillsdaleHILM4

At a cooperative observer's station/3.1 mi away/1,079 ft/103 ft below here

snowfall, snow depth, precip, high, low

-

Snow on the ground

Elsewhere in Michigan

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

Near Hillsdale Municipal Airport

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

Near Hillsdale Municipal Airport