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Chan Gurney Municipal Airport, South Dakota

Medium airport in Yankton County, South Dakota

Air quality

The air at Chan Gurney Municipal Airport

Index 8, good, led by ozone. Read at 2 AM from its reporting area, Santee Sioux Reservation (NE), 24 miles off.

8Good
  • Ozone8Good-

Smoke, the next 42 hours

No smoke near the ground through Sun 7 PM.

SatSun

Precipitation

What has fallen at Chan Gurney Municipal Airport

None in the last 24 hours; 0.68 in over the last 3 days, to Sat 1 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.68in

Visibility

How far you can see at Chan Gurney Municipal Airport, the next 42 hours

Visibility stays 10 miles or more through Sun 7 PM.

SatSun

Airfield

Code
YKN
ICAO
KYKN
IATA
YKN
Field elevation
1,306 ft
Serves
Yankton
Kind
Medium airport
Scheduled service
No
Its own instrument
YKN
Wind now
From 150° at 5 mph, read 17 Oct, 01:56

Runways

RunwayLengthWidthSurfaceHeading, trueWind along it nowCrosswind now
01 / 193,380 ft75 ftAsphalt21° / 201°3 mph head, on 194 mph from the left
13 / 316,094 ft100 ftConcrete140° / 320°5 mph head, on 131 mph from the right
011913312,000 ftN150° 5 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 Yankton (YKN), Chan Gurney Municipal Airport's own instrument, measure by measure, on the field's own clock.

Temperature

52 F at 3 PM; 53 F at its warmest, 5 PM Thursday, and 42 F at its coolest, 8 AM.

Now
52F
3 PM
Highest
53F
5 PM Thursday
Lowest
42F
8 AM
Temperature and Dew point at Yankton, temperature from 42.4 to 53.0, the latest 52.0; dew point from 30.0 to 40.0, the latest 30.0, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF304050606 PM9 PMOct 163 AM6 AM9 AM12 PM3 PMFREEZINGTEMPERATUREDEW POINT

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

Humidity and dew point

A dew point of 30 F, the air 43% saturated; the humidity ran from 43% at 3 PM to 76% at 2 AM.

Dew point now
30F
3 PM
Humidity now
43%
Humidity, range
43 to 76%
Relative humidity at Yankton, relative humidity from 43 to 76, the latest 43, in per cent.RELATIVE HUMIDITY%40506070806 PM9 PMOct 163 AM6 AM9 AM12 PM3 PM

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

Wind

15 mph from the northwest at 4 PM; at its strongest 28 mph, 7 AM, with a gust of 41 mph at 5 AM.

Now
15mph
from the northwest
Strongest
28mph
7 AM
Highest gust
41mph
5 AM
Wind and Gust at Yankton, wind from 15 to 28, the latest 15; gust from 22 to 41, the latest 22, in miles an hour.WIND AND GUSTmph10203040506 PM9 PMOct 163 AM6 AM9 AM12 PM3 PMWINDGUST
Wind direction at Yankton, wind direction from 290 to 330, the latest 310, in degrees.WIND DIRECTION°0901802703606 PM9 PMOct 163 AM6 AM9 AM12 PM3 PM

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

Pressure

30.59 inHg at 4 PM, steady over 3 hours; 0.37 inHg higher than a day before.

Now
30.59inHg
4 PM
3 hours
-0.02inHg
steady
24 hours
+0.37inHg
Pressure, altimeter at Yankton, pressure, altimeter from 30.22 to 30.63, the latest 30.59, in inches of mercury.PRESSURE, ALTIMETERinHg30.2030.4030.6030.806 PM9 PMOct 163 AM6 AM9 AM12 PM3 PM

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

Visibility

Down to 7 miles at 3 AM; 10 miles or more now.

Now
10+mi
Lowest
7mi
3 AM
Hours under a mile
0
Visibility at Yankton, visibility from 7.0 to 10.0, the latest 10.0, in miles.VISIBILITYmi02.557.5106 PM9 PMOct 163 AM6 AM9 AM12 PM3 PMLIFRIFRMVFRVFR

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

Cloud base

The lowest cloud base came down to 1,300 ft at 4 AM; a base was reported in 21 of the hours.

Lowest base now
-
Lowest in 24 hours
1,300ft
4 AM
Hours with a base reported
21
Lowest cloud base at Yankton, lowest cloud base from 1,300 to 5,000, the latest 3,700, in feet.LOWEST CLOUD BASEft1,0002,0003,0004,0005,0006 PM9 PMOct 163 AM6 AM9 AM12 PM3 PMMVFRVFR

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

Precipitation

0.01 in measured in the gauge, the most, 0.01 in, in the hour to 5 PM Thursday.

Last 24 hours
0.01in
Wettest hour
0.01in
5 PM Thursday
Hours with some
3
Precipitation at Yankton, precipitation from 0.00 to 0.01, the latest 0.00, in inches.PRECIPITATIONin0.000.030.050.070.106 PM9 PMOct 163 AM6 AM9 AM12 PM3 PM

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

Yankton: 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 Chan Gurney 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 now2 instruments

YanktonYKN

At an airfield/0.0 mi away/1,278 ft/28 ft below here

temp, wind, gust, visibility, precip, pressure

Sd RWIS GayvilleSD532

Beside a road/9.0 mi away/1,161 ft/145 ft below here

temp, pavement temp, wind, visibility, precip

measured daily2 instruments

Yankton 1.7 NNESD-YN-11

In a volunteer observer's own ground/0.7 mi away/1,265 ft/41 ft below here

precip, snowfall, snow depth

YanktonYTNS2

At a cooperative observer's station/2.9 mi away/1,175 ft/131 ft below here

snowfall, snow depth, precip, high, low

0in

Snow on the ground

Measured at Yankton (YTNS2), 2.9 miles from here, read 15 Oct, 09:00. measured daily

Elsewhere in South Dakota

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

Near Chan Gurney Municipal Airport

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

Near Chan Gurney Municipal Airport