Yankton, South Dakota · field elev 1,306 ft
Density Altitude at Chan Gurney Municipal (KYKN)
Chan Gurney Municipal sits at 1,306 ft, and even a typical July afternoon (87 °F) only lifts density altitude to about 3,401 ft — heat still trims performance, but the field rarely turns high-and-hot.
Typical density altitude by month
| Month | Avg temp °F | DA at avg temp | Afternoon high °F | DA on a typical afternoon |
|---|---|---|---|---|
| January | 20.2 | −1,021 ft | 30.0 | −327 ft |
| February | 24.6 | −707 ft | 34.9 | 13 ft |
| March | 35.9 | 82 ft | 47.1 | 843 ft |
| April | 47.7 | 883 ft | 60.0 | 1,694 ft |
| May | 59.8 | 1,681 ft | 71.9 | 2,457 ft |
| June | 70.7 | 2,381 ft | 82.4 | 3,112 ft |
| July | 75.4 | 2,677 ft | 87.1 | 3,401 ft |
| August | 73.1 | 2,533 ft | 84.8 | 3,260 ft |
| September | 64.8 | 2,005 ft | 77.5 | 2,808 ft |
| October | 50.9 | 1,097 ft | 63.3 | 1,908 ft |
| November | 36.2 | 103 ft | 47.2 | 850 ft |
| December | 24.5 | −714 ft | 34.0 | −49 ft |
▲ above 5,000 ft · ⚠ above 8,000 ft. These are planning references at standard pressure and dry air — afternoon humidity and low pressure both push the real number higher. Run today's values below.
Run today’s numbers for KYKN
DENSITY ALTITUDE
Field elevation 1,306 ft — the air behaves like 3,394 ft.
- PRESSURE ALT
- 1,307 ft
- ISA DEVIATION
- —
- RULE-OF-THUMB DA
- —
- AIR DENSITY INDEX
- —
- AIR DENSITY
- —
- WATER · GRAINS/LB
- —
For training and reference · verify with official sources and your POH before flight · no tool on this site renders a go / no-go judgment
Nearby South Dakota fields
- KVMR — Harold Davidson Field
Vermillion · elev 1,147 ft
- Y03 — Springfield Municipal
Springfield · elev 1,324 ft
- 8V3 — Parkston Municipal
Parkston · elev 1,418 ft
- KAGZ — Wagner Municipal
Wagner · elev 1,478 ft
- Y14 — Marv Skie-Lincoln County
Tea · elev 1,511 ft
- 7G9 — Canton Municipal
Canton · elev 1,290 ft
- 7K7 — Graham Field
North Sioux City · elev 1,109 ft
- KFSD — Joe Foss Field
Sioux Falls · elev 1,430 ft
Frequently asked questions
How high does density altitude get at KYKN in summer?
On a typical July afternoon — around 87 °F at the nearest NOAA normals station — density altitude at Chan Gurney Municipal reaches roughly 3,401 ft at standard pressure. Hotter-than-normal days, low pressure, and humidity all push it higher, so run the day's actual numbers before flying.
What is the density altitude at KYKN on an average day?
It swings with the seasons: from roughly −1,021 ft at the coldest month's average temperature to about 2,677 ft at the warmest month's — all from a constant field elevation of 1,306 ft. The month-by-month table above carries the full year.
What is the field elevation of Chan Gurney Municipal?
1,306 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KYKN (ICAO) / YKN (FAA), in Yankton, South Dakota.