Lewisport, Kentucky · field elev 411 ft
Density Altitude at Hancock County/Ron Lewis Field (KY8)
Hancock County/Ron Lewis Field sits at 411 ft, and even a typical July afternoon (85 °F) only lifts density altitude to about 2,199 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 | 33.1 | −1,229 ft | 40.5 | −716 ft |
| February | 36.5 | −992 ft | 44.7 | −429 ft |
| March | 44.9 | −416 ft | 54.2 | 209 ft |
| April | 55.3 | 282 ft | 65.7 | 962 ft |
| May | 64.6 | 891 ft | 74.4 | 1,518 ft |
| June | 72.9 | 1,423 ft | 82.2 | 2,007 ft |
| July | 76.3 | 1,638 ft | 85.3 | 2,199 ft |
| August | 75.2 | 1,569 ft | 84.7 | 2,162 ft |
| September | 68.8 | 1,161 ft | 79.2 | 1,820 ft |
| October | 57.6 | 434 ft | 68.1 | 1,116 ft |
| November | 46.0 | −341 ft | 54.9 | 255 ft |
| December | 37.3 | −936 ft | 44.4 | −450 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 KY8
DENSITY ALTITUDE
Field elevation 411 ft — the air behaves like 2,181 ft.
- PRESSURE ALT
- 412 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
- KOWB — Owensboro/Daviess County Regional
Owensboro · elev 407 ft
- I93 — Breckinridge County
Hardinsburg · elev 732 ft
- 2I3 — Rough River State Park
Falls-Of-Rough · elev 576 ft
- KJQD — Ohio County
Hartford · elev 537 ft
- KEHR — Henderson City-County
Henderson · elev 387 ft
- M20 — Leitchfield-Grayson County
Leitchfield · elev 782 ft
- 2I0 — Madisonville Regional
Madisonville · elev 439 ft
- M21 — Muhlenberg County
Greenville · elev 428 ft
Frequently asked questions
How high does density altitude get at KY8 in summer?
On a typical July afternoon — around 85 °F at the nearest NOAA normals station — density altitude at Hancock County/Ron Lewis Field reaches roughly 2,199 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 KY8 on an average day?
It swings with the seasons: from roughly −1,229 ft at the coldest month's average temperature to about 1,638 ft at the warmest month's — all from a constant field elevation of 411 ft. The month-by-month table above carries the full year.
What is the field elevation of Hancock County/Ron Lewis Field?
411 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KY8 (FAA), in Lewisport, Kentucky.