Madisonville, Kentucky · field elev 439 ft
Density Altitude at Madisonville Regional (2I0)
Madisonville Regional sits at 439 ft, and even a typical July afternoon (89 °F) only lifts density altitude to about 2,479 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 | 36.5 | −957 ft | 44.8 | −388 ft |
| February | 40.7 | −667 ft | 49.9 | −43 ft |
| March | 49.7 | −57 ft | 60.0 | 626 ft |
| April | 60.4 | 652 ft | 71.5 | 1,368 ft |
| May | 69.1 | 1,215 ft | 79.1 | 1,848 ft |
| June | 76.5 | 1,685 ft | 86.3 | 2,295 ft |
| July | 79.6 | 1,880 ft | 89.3 | 2,479 ft |
| August | 78.5 | 1,811 ft | 88.7 | 2,443 ft |
| September | 72.2 | 1,413 ft | 83.1 | 2,097 ft |
| October | 61.0 | 691 ft | 71.9 | 1,394 ft |
| November | 49.2 | −90 ft | 58.4 | 521 ft |
| December | 40.1 | −709 ft | 48.0 | −171 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 2I0
DENSITY ALTITUDE
Field elevation 439 ft — the air behaves like 2,461 ft.
- PRESSURE ALT
- 440 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 Kentucky fields
- M21 — Muhlenberg County
Greenville · elev 428 ft
- 8M7 — Tradewater
Dawson Springs · elev 405 ft
- KOWB — Owensboro/Daviess County Regional
Owensboro · elev 407 ft
- 2M0 — Princeton-Caldwell County
Princeton · elev 584 ft
- KJQD — Ohio County
Hartford · elev 537 ft
- KTWT — Sturgis Municipal
Sturgis · elev 372 ft
- KHVC — Hopkinsville-Christian County
Hopkinsville · elev 564 ft
- KEHR — Henderson City-County
Henderson · elev 387 ft
Frequently asked questions
How high does density altitude get at 2I0 in summer?
On a typical July afternoon — around 89 °F at the nearest NOAA normals station — density altitude at Madisonville Regional reaches roughly 2,479 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 2I0 on an average day?
It swings with the seasons: from roughly −957 ft at the coldest month's average temperature to about 1,880 ft at the warmest month's — all from a constant field elevation of 439 ft. The month-by-month table above carries the full year.
What is the field elevation of Madisonville Regional?
439 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 2I0 (FAA), in Madisonville, Kentucky.