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Ephrata Municipal Airport, Washington

Small airport in Grant County, Washington

Air quality

The air at Ephrata Municipal Airport

Index 29, good, led by fine particles. Read at 8 PM from its reporting area, Quincy (WA), 16 miles off.

29Good
  • Fine particles (PM2.5)29Good-

The days ahead

Good each day through Fri Oct 16, led by fine particles. Yesterday measured 26, good.

Smoke, the next 45 hours

Little smoke near the ground through Sat 5 PM: the index from smoke stays at 17 or under.

FriSat

Precipitation

What has fallen at Ephrata Municipal 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 Ephrata Municipal Airport, the next 45 hours

Visibility stays 10 miles or more through Sat 5 PM.

FriSat

Airfield

Code
EPH
ICAO
KEPH
IATA
EPH
Field elevation
1,276 ft
Serves
Ephrata
Kind
Small airport
Scheduled service
No
Its own instrument
EPH
Wind now
From 340° at 7 mph, read 15 Oct, 20:53

Runways

RunwayLengthWidthSurfaceHeading, trueWind along it nowCrosswind now
03 / 21 unlit5,500 ft75 ftAsphalt43° / 223°3 mph head, on 036 mph from the left
04 / 22 unlit3,467 ft150 ftAsphalt44° / 224°3 mph head, on 046 mph from the left
11 / 293,843 ft60 ftConcrete128° / 308°6 mph head, on 294 mph from the right
0321042211292,500 ftN340° 7 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 Ephrata Municipal (EPH), Ephrata Municipal Airport's own instrument, measure by measure, on the field's own clock.

Temperature

55 F at 8 PM; 71 F at its warmest, 3 PM, and 38 F at its coolest, 6 AM.

Now
55F
8 PM
Highest
71F
3 PM
Lowest
38F
6 AM
Temperature and Dew point at Ephrata Municipal, temperature from 38.0 to 71.0, the latest 55.0; dew point from 34.0 to 40.0, the latest 34.0, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF304050607080Oct 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 34 F, the air 45% saturated; the humidity ran from 29% at 3 PM to 92% at 6 AM.

Dew point now
34F
8 PM
Humidity now
45%
Humidity, range
29 to 92%
Relative humidity at Ephrata Municipal, relative humidity from 29 to 92, the latest 45, 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

8 mph from the north northwest at 8 PM; at its strongest 9 mph, 7 AM, and no gust reported.

Now
8mph
from the north northwest
Strongest
9mph
7 AM
Highest gust
-
none reported
Wind at Ephrata Municipal, wind from 3 to 9, the latest 8, in miles an hour.WINDmph246810Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM
Wind direction at Ephrata Municipal, wind direction from 10 to 360, the latest 340, 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

30.44 inHg at 8 PM, steady over 3 hours; 0.06 inHg higher than a day before.

Now
30.44inHg
8 PM
3 hours
-0.01inHg
steady
24 hours
+0.06inHg
Pressure, altimeter at Ephrata Municipal, pressure, altimeter from 30.38 to 30.55, the latest 30.44, in inches of mercury.PRESSURE, ALTIMETERinHg30.3530.4030.4530.5030.55Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM

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

Visibility

Down to 6 miles at 10 PM Wednesday; 10 miles or more now.

Now
10+mi
Lowest
6mi
10 PM Wednesday
Hours under a mile
0
Visibility at Ephrata Municipal, visibility from 6.0 to 10.0, the latest 10.0, 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

Ephrata Municipal: 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 Ephrata Municipal Airport, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.1 miles away.

measured now3 instruments

Ephrata MunicipalEPH

At an airfield/0.1 mi away/1,273 ft/3 ft below here

temp, wind, gust, visibility, precip, pressure

Coulee City - Dry FallsDFDW1

At a river or reservoir gauge/23.5 mi away/1,561 ft/285 ft above here

temp, wind, gust, humidity, pressure

measured daily2 instruments

Moses Lake 5.6 NWWA-GR-16

In a volunteer observer's own ground/11.8 mi away/1,126 ft/150 ft below here

precip, snowfall, snow depth

Quincy 1 SQUIW1

At a cooperative observer's station/16.8 mi away/1,257 ft/19 ft below here

snowfall, snow depth, precip, high, low

0in

Snow on the ground

Measured at Quincy 1 S (QUIW1), 16.8 miles from here, read 14 Oct, 07:30. measured daily

Elsewhere in Washington

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

Near Ephrata Municipal Airport

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

Near Ephrata Municipal Airport