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Caldwell Executive Airport, Idaho

Small airport in Canyon County, Idaho

Air quality

The air at Caldwell Executive Airport

Index 41, good, led by coarse particles. Read at 9 PM from its reporting area, Boise (ID), 22 miles off.

41Good
  • Fine particles (PM2.5)16Good-
  • Ozone35Good-
  • Coarse particles (PM10)41Good-

The days ahead

Good each day through Tue Oct 20, led by fine particles. Yesterday measured 28, good.

Smoke, the next 46 hours

No smoke near the ground through Sat 6 PM.

FriSat

Precipitation

What has fallen at Caldwell Executive Airport

None in the last 3 days, to Thu 8 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 Caldwell Executive Airport, the next 46 hours

Visibility stays 10 miles or more through Sat 6 PM.

FriSat

Airfield

Code
EUL
ICAO
KEUL
IATA
-
Field elevation
2,432 ft
Serves
Caldwell
Kind
Small airport
Scheduled service
No
Its own instrument
EUL
Wind now
Calm, read 15 Oct, 20:56

Runways

RunwayLengthWidthSurfaceHeading, trueWind along it nowCrosswind now
12 / 305,500 ft100 ftAsphalt135° / 315°CalmCalm
12301,000 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 Caldwell (EUL), Caldwell Executive Airport's own instrument, measure by measure, on the field's own clock.

Temperature

53 F at 8 PM; 70 F at its warmest, 3 PM, and 41 F at its coolest, 7 AM.

Now
53F
8 PM
Highest
70F
3 PM
Lowest
41F
7 AM
Temperature and Dew point at Caldwell, temperature from 41.0 to 70.0, the latest 53.0; dew point from 36.0 to 38.0, the latest 36.0, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF3040506070Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PMFREEZINGTEMPERATUREDEW POINT

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

Humidity and dew point

A dew point of 36 F, the air 52% saturated; the humidity ran from 31% at 3 PM to 82% at 7 AM.

Dew point now
36F
8 PM
Humidity now
52%
Humidity, range
31 to 82%
Relative humidity at Caldwell, relative humidity from 31 to 82, the latest 52, in per cent.RELATIVE HUMIDITY%20406080100Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM

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

Wind

Calm at 9 PM; at its strongest 11 mph, 12 AM, and no gust reported.

Now
0mph
calm
Strongest
11mph
12 AM
Highest gust
-
none reported
Wind at Caldwell, wind from 0 to 11, the latest 0, in miles an hour.WINDmph051015Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM
Wind direction at Caldwell, wind direction from 10 to 300, the latest 140, 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

30.50 inHg at 9 PM, steady over 3 hours; 0.21 inHg higher than a day before.

Now
30.50inHg
9 PM
3 hours
+0.02inHg
steady
24 hours
+0.21inHg
Pressure, altimeter at Caldwell, pressure, altimeter from 30.29 to 30.54, the latest 30.50, in inches of mercury.PRESSURE, ALTIMETERinHg30.2030.3030.4030.5030.60Oct 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 3 PM; 6 miles now.

Now
6mi
Lowest
3mi
3 PM
Hours under a mile
0
Visibility at Caldwell, 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

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

Caldwell: every reading, the last 7 days, 30 days and the year, and how well it reports

What is measuring near here

The 7 instruments nearest Caldwell Executive 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 now5 instruments

CaldwellEUL

At an airfield/0.0 mi away/2,428 ft/4 ft below here

temp, wind, gust, visibility, precip, pressure

D3 - Kuna - MeridianITD85

Beside a road/12.6 mi away/2,618 ft/186 ft above here

temp, pavement temp, wind, visibility, precip

Boise - NRAWS 6LLEI1

At a river or reservoir gauge/21.9 mi away/2,862 ft/430 ft above here

temp, wind, gust, humidity, pressure

Murphy 10 W04127

At a climate reference station/31.1 mi away/3,950 ft/1,518 ft above here

temp, humidity, wind, solar, precip

Orchard Range SiteS0674

At a soil climate station/38.9 mi away/3,200 ft/768 ft above here

temp, humidity, soil temp, soil moisture

measured daily2 instruments

Caldwell 1.2 SSEID-CY-32

In a volunteer observer's own ground/1.7 mi away/2,400 ft/32 ft below here

precip, snowfall, snow depth

Homedale 1 SEHOMI1

At a cooperative observer's station/14.5 mi away/2,234 ft/198 ft below here

snowfall, snow depth, precip, high, low

-

Snow on the ground

Elsewhere in Idaho

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

Near Caldwell Executive Airport

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

Near Caldwell Executive Airport