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Putnam County Airport, Indiana

Small airport in Putnam County, Indiana

Air quality

The air at Putnam County Airport

Index 31, good, led by fine particles. Read at 2 AM from its reporting area, Terre Haute (IN), 33 miles off.

31Good
  • Fine particles (PM2.5)31Good-
  • Ozone17Good-

The days ahead

Good each day through Today, led by fine particles. Yesterday measured 52, moderate.

Smoke, the next 42 hours

No smoke near the ground through Sat 8 PM.

FriSat

Precipitation

What has fallen at Putnam County Airport

0.28 in in the last 24 hours, 0.34 in over the last 3 days, to Fri 2 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.28in
Last 3 days
0.34in

Visibility

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

Visibility stays 7 miles or more through Sat 8 PM, lowest 7 miles Fri 7 PM.

FriSat

Airfield

Code
GPC
ICAO
KGPC
IATA
-
Field elevation
842 ft
Serves
Greencastle
Kind
Small airport
Scheduled service
No
Its own instrument
GPC
Wind now
From 270° at 14 mph, read 16 Oct, 02:35

Runways

RunwayLengthWidthSurfaceHeading, trueWind along it nowCrosswind now
18 / 365,002 ft100 ftAsphalt181° / 1°0 mph head, on 1814 mph from the right
18362,000 ftN270° 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 Greencastle (GPC), Putnam County Airport's own instrument, measure by measure, on the field's own clock.

Temperature

69 F at 2 AM; 72 F at its warmest, 8 PM Thursday, and 63 F at its coolest, 8 AM Thursday.

Now
69F
2 AM
Highest
72F
8 PM Thursday
Lowest
63F
8 AM Thursday
Temperature and Dew point at Greencastle, temperature from 63.2 to 71.6, the latest 68.6; dew point from 59.0 to 71.6, the latest 66.8, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF55606570756 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 67 F, the air 94% saturated; the humidity ran from 81% at 12 PM Thursday to 100% at 4 PM Thursday.

Dew point now
67F
2 AM
Humidity now
94%
Humidity, range
81 to 100%
Relative humidity at Greencastle, relative humidity from 81 to 100, the latest 94, in per cent.RELATIVE HUMIDITY%808590951006 AM9 AM12 PM3 PM6 PM9 PMOct 163 AM

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

Wind

13 mph from the west northwest at 2 AM; at its strongest 13 mph, 2 AM, with a gust of 31 mph at 2 AM.

Now
13mph
from the west northwest
Strongest
13mph
2 AM
Highest gust
31mph
2 AM
Wind and Gust at Greencastle, wind from 4 to 13, the latest 13; gust from 16 to 31, the latest 31, in miles an hour.WIND AND GUSTmph0102030406 AM9 AM12 PM3 PM6 PM9 PMOct 163 AMWINDGUST
Wind direction at Greencastle, wind direction from 70 to 290, the latest 290, 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

29.90 inHg at 2 AM, steady over 3 hours; 0.20 inHg lower than a day before.

Now
29.90inHg
2 AM
3 hours
+0.02inHg
steady
24 hours
-0.20inHg
Pressure, altimeter at Greencastle, pressure, altimeter from 29.86 to 30.10, the latest 29.90, in inches of mercury.PRESSURE, ALTIMETERinHg29.8029.9030.0030.106 AM9 AM12 PM3 PM6 PM9 PMOct 163 AM

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

Visibility

Down to 3 miles at 4 PM Thursday; 7 miles now.

Now
7mi
Lowest
3mi
4 PM Thursday
Hours under a mile
0
Visibility at Greencastle, visibility from 2.5 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 400 ft at 5 PM Thursday; a base was reported in 23 of the hours.

Lowest base now
-
Lowest in 24 hours
400ft
5 PM Thursday
Hours with a base reported
23
Lowest cloud base at Greencastle, lowest cloud base from 400 to 1,400, the latest 1,000, in feet.LOWEST CLOUD BASEft2505007501,0001,2501,5006 AM9 AM12 PM3 PM6 PM9 PMOct 163 AMLIFRIFRMVFR

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

Precipitation

0.32 in measured in the gauge, the most, 0.10 in, in the hour to 5 PM Thursday.

Last 24 hours
0.32in
Wettest hour
0.10in
5 PM Thursday
Hours with some
5
Precipitation at Greencastle, precipitation from 0.00 to 0.10, the latest 0.04, in inches.PRECIPITATIONin0.000.030.050.070.106 AM9 AM12 PM3 PM6 PM9 PMOct 163 AM

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

Greencastle: 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 Putnam County Airport, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.2 miles away.

measured now2 instruments

GreencastleGPC

At an airfield/0.2 mi away/840 ft/2 ft below here

temp, wind, gust, visibility, precip, pressure

CloverdaleIN011

Beside a road/6.9 mi away/832 ft/10 ft below here

temp, pavement temp, wind, visibility, precip

measured daily2 instruments

Greencastle 3.6 ESEIN-PM-11

In a volunteer observer's own ground/2.0 mi away/789 ft/53 ft below here

precip, snowfall, snow depth

Danville 3SWDANI3

At a cooperative observer's station/16.4 mi away/951 ft/109 ft above here

snowfall, snow depth, precip, high, low

0in

Snow on the ground

Measured at Danville 3SW (DANI3), 16.4 miles from here, read 15 Oct, 07:00. measured daily

Elsewhere in Indiana

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

Near Putnam County Airport

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

Near Putnam County Airport