O'Neill, Nebraska · field elev 2,034 ft
Density Altitude at The O'Neill Municipal-John L Baker Field (KONL)
The O'Neill Municipal-John L Baker Field sits at 2,034 ft, and even a typical July afternoon (87 °F) only lifts density altitude to about 4,298 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 | 21.5 | −15 ft | 31.9 | 713 ft |
| February | 24.7 | 211 ft | 35.8 | 982 ft |
| March | 35.4 | 954 ft | 47.4 | 1,765 ft |
| April | 46.0 | 1,671 ft | 58.1 | 2,468 ft |
| May | 57.7 | 2,442 ft | 69.7 | 3,210 ft |
| June | 68.9 | 3,159 ft | 81.1 | 3,920 ft |
| July | 74.6 | 3,517 ft | 87.3 | 4,298 ft |
| August | 72.1 | 3,361 ft | 84.7 | 4,140 ft |
| September | 63.2 | 2,797 ft | 76.7 | 3,648 ft |
| October | 48.8 | 1,858 ft | 61.5 | 2,687 ft |
| November | 35.0 | 927 ft | 46.6 | 1,712 ft |
| December | 24.4 | 190 ft | 34.3 | 879 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 KONL
DENSITY ALTITUDE
Field elevation 2,034 ft — the air behaves like 4,280 ft.
- PRESSURE ALT
- 2,035 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 Nebraska fields
- 8V2 — Stuart-Atkinson Municipal
Atkinson · elev 2,131 ft
- 6K3 — Creighton Municipal
Creighton · elev 1,653 ft
- 4V9 — Antelope County
Neligh · elev 1,774 ft
- KRBE — Rock County
Bassett · elev 2,349 ft
- 84Y — Bloomfield Municipal
Bloomfield · elev 1,673 ft
- KBUB — Cram Field
Burwell · elev 2,183 ft
- KODX — Evelyn Sharp Field
Ord · elev 2,070 ft
- KBVN — Albion Municipal
Albion · elev 1,806 ft
Frequently asked questions
How high does density altitude get at KONL in summer?
On a typical July afternoon — around 87 °F at the nearest NOAA normals station — density altitude at The O'Neill Municipal-John L Baker Field reaches roughly 4,298 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 KONL on an average day?
It swings with the seasons: from roughly −15 ft at the coldest month's average temperature to about 3,517 ft at the warmest month's — all from a constant field elevation of 2,034 ft. The month-by-month table above carries the full year.
What is the field elevation of The O'Neill Municipal-John L Baker Field?
2,034 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KONL (ICAO) / ONL (FAA), in O'Neill, Nebraska.