Tea, South Dakota · field elev 1,511 ft
Density Altitude at Marv Skie-Lincoln County (Y14)
Marv Skie-Lincoln County sits at 1,511 ft, and even a typical July afternoon (85 °F) only lifts density altitude to about 3,510 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 | 16.4 | −1,037 ft | 25.3 | −401 ft |
| February | 20.7 | −728 ft | 30.0 | −71 ft |
| March | 33.4 | 165 ft | 43.3 | 842 ft |
| April | 46.3 | 1,044 ft | 57.0 | 1,752 ft |
| May | 59.2 | 1,895 ft | 69.9 | 2,582 ft |
| June | 69.9 | 2,582 ft | 80.4 | 3,239 ft |
| July | 74.3 | 2,859 ft | 84.8 | 3,510 ft |
| August | 71.5 | 2,683 ft | 81.7 | 3,319 ft |
| September | 63.3 | 2,160 ft | 74.8 | 2,890 ft |
| October | 49.2 | 1,237 ft | 60.6 | 1,986 ft |
| November | 33.9 | 200 ft | 43.6 | 862 ft |
| December | 21.5 | −671 ft | 30.4 | −43 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 Y14
DENSITY ALTITUDE
Field elevation 1,511 ft — the air behaves like 3,522 ft.
- PRESSURE ALT
- 1,512 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
- KFSD — Joe Foss Field
Sioux Falls · elev 1,430 ft
- 7G9 — Canton Municipal
Canton · elev 1,290 ft
- 4P3 — Flandreau Municipal
Flandreau · elev 1,645 ft
- KMDS — Madison Municipal
Madison · elev 1,718 ft
- KYKN — Chan Gurney Municipal
Yankton · elev 1,306 ft
- KVMR — Harold Davidson Field
Vermillion · elev 1,147 ft
- 8D9 — Howard Municipal
Howard · elev 1,586 ft
- KBKX — Brookings Regional
Brookings · elev 1,648 ft
Frequently asked questions
How high does density altitude get at Y14 in summer?
On a typical July afternoon — around 85 °F at the nearest NOAA normals station — density altitude at Marv Skie-Lincoln County reaches roughly 3,510 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 Y14 on an average day?
It swings with the seasons: from roughly −1,037 ft at the coldest month's average temperature to about 2,859 ft at the warmest month's — all from a constant field elevation of 1,511 ft. The month-by-month table above carries the full year.
What is the field elevation of Marv Skie-Lincoln County?
1,511 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is Y14 (FAA), in Tea, South Dakota.