Lebanon, Indiana · field elev 959 ft
Density Altitude at Boone County (6I4)
Boone County sits at 959 ft, and even a typical July afternoon (83 °F) only lifts density altitude to about 2,726 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 | 26.5 | −1,007 ft | 33.4 | −523 ft |
| February | 30.8 | −705 ft | 38.7 | −157 ft |
| March | 40.8 | −14 ft | 49.8 | 594 ft |
| April | 52.5 | 774 ft | 63.0 | 1,462 ft |
| May | 62.7 | 1,442 ft | 72.7 | 2,082 ft |
| June | 71.0 | 1,974 ft | 80.7 | 2,584 ft |
| July | 73.5 | 2,133 ft | 83.0 | 2,726 ft |
| August | 71.9 | 2,032 ft | 81.7 | 2,646 ft |
| September | 65.8 | 1,642 ft | 76.6 | 2,328 ft |
| October | 54.4 | 900 ft | 64.5 | 1,559 ft |
| November | 41.9 | 61 ft | 49.8 | 594 ft |
| December | 31.4 | −663 ft | 37.8 | −219 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 6I4
DENSITY ALTITUDE
Field elevation 959 ft — the air behaves like 2,726 ft.
- PRESSURE ALT
- 960 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 Indiana fields
- KTYQ — Indianapolis Exec
Indianapolis · elev 922 ft
- KEYE — Eagle Creek Airpark
Indianapolis · elev 823 ft
- I72 — Westfield
Westfield · elev 932 ft
- 5I4 — Sheridan
Sheridan · elev 936 ft
- 2R2 — Hendricks County-Gordon Graham Field
Indianapolis · elev 898 ft
- KFKR — Frankfort Clinton County Regional
Frankfort · elev 861 ft
- KIND — Indianapolis International
Indianapolis · elev 796 ft
- KUMP — Indianapolis Metro
Indianapolis · elev 811 ft
Frequently asked questions
How high does density altitude get at 6I4 in summer?
On a typical July afternoon — around 83 °F at the nearest NOAA normals station — density altitude at Boone County reaches roughly 2,726 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 6I4 on an average day?
It swings with the seasons: from roughly −1,007 ft at the coldest month's average temperature to about 2,133 ft at the warmest month's — all from a constant field elevation of 959 ft. The month-by-month table above carries the full year.
What is the field elevation of Boone County?
959 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 6I4 (FAA), in Lebanon, Indiana.