Dayton, Tennessee · field elev 718 ft
Density Altitude at Mark Anton (2A0)
Mark Anton sits at 718 ft, and even a typical July afternoon (88 °F) only lifts density altitude to about 2,715 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 | 37.8 | −519 ft | 47.4 | 135 ft |
| February | 41.7 | −252 ft | 52.0 | 442 ft |
| March | 49.2 | 255 ft | 60.9 | 1,028 ft |
| April | 58.3 | 859 ft | 70.5 | 1,647 ft |
| May | 66.5 | 1,391 ft | 78.0 | 2,121 ft |
| June | 74.0 | 1,869 ft | 84.7 | 2,537 ft |
| July | 77.3 | 2,077 ft | 87.6 | 2,715 ft |
| August | 76.7 | 2,039 ft | 87.4 | 2,703 ft |
| September | 70.8 | 1,666 ft | 82.1 | 2,376 ft |
| October | 59.3 | 924 ft | 71.2 | 1,692 ft |
| November | 48.2 | 188 ft | 59.4 | 931 ft |
| December | 40.8 | −313 ft | 50.3 | 329 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 2A0
DENSITY ALTITUDE
Field elevation 718 ft — the air behaves like 2,740 ft.
- PRESSURE ALT
- 719 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 Tennessee fields
- KRZR — Cleveland Regional Jetport
Cleveland · elev 866 ft
- KMMI — Mcminn County
Athens · elev 874 ft
- KFGU — Collegedale Municipal
Collegedale · elev 860 ft
- KMNV — Monroe County
Madisonville · elev 1,031 ft
- KRKW — Rockwood Municipal
Rockwood · elev 1,664 ft
- KCSV — Crossville Meml-Whitson Field
Crossville · elev 1,882 ft
- KCHA — Lovell Field
Chattanooga · elev 683 ft
- 1A3 — Martin Campbell Field
Copperhill · elev 1,789 ft
Frequently asked questions
How high does density altitude get at 2A0 in summer?
On a typical July afternoon — around 88 °F at the nearest NOAA normals station — density altitude at Mark Anton reaches roughly 2,715 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 2A0 on an average day?
It swings with the seasons: from roughly −519 ft at the coldest month's average temperature to about 2,077 ft at the warmest month's — all from a constant field elevation of 718 ft. The month-by-month table above carries the full year.
What is the field elevation of Mark Anton?
718 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 2A0 (FAA), in Dayton, Tennessee.