Wakeman, Ohio · field elev 848 ft
Density Altitude at Ortner (I64)
Ortner sits at 848 ft, and even a typical July afternoon (83 °F) only lifts density altitude to about 2,597 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 | 25.9 | −1,189 ft | 33.8 | −634 ft |
| February | 28.2 | −1,026 ft | 36.9 | −419 ft |
| March | 37.0 | −413 ft | 45.9 | 195 ft |
| April | 48.6 | 376 ft | 59.3 | 1,084 ft |
| May | 59.8 | 1,117 ft | 70.9 | 1,832 ft |
| June | 68.8 | 1,698 ft | 79.6 | 2,380 ft |
| July | 72.7 | 1,946 ft | 83.1 | 2,597 ft |
| August | 70.6 | 1,813 ft | 81.3 | 2,485 ft |
| September | 63.9 | 1,383 ft | 75.3 | 2,110 ft |
| October | 52.5 | 636 ft | 63.1 | 1,332 ft |
| November | 41.1 | −131 ft | 49.6 | 443 ft |
| December | 31.5 | −794 ft | 38.7 | −295 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 I64
DENSITY ALTITUDE
Field elevation 848 ft — the air behaves like 2,591 ft.
- PRESSURE ALT
- 849 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 Ohio fields
- 5A1 — Norwalk/Huron County
Norwalk · elev 853 ft
- KLPR — Lorain County Regional
Lorain/Elyria · elev 793 ft
- 88D — Hinde
Huron · elev 609 ft
- 1G1 — Elyria
Elyria · elev 758 ft
- 4G8 — Columbia
Columbia Station · elev 811 ft
- 8G1 — Willard
Willard · elev 967 ft
- 89D — Kelleys Island Land Field
Kelleys Island · elev 598 ft
- 3G4 — Ashland County
Ashland · elev 1,207 ft
Frequently asked questions
How high does density altitude get at I64 in summer?
On a typical July afternoon — around 83 °F at the nearest NOAA normals station — density altitude at Ortner reaches roughly 2,597 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 I64 on an average day?
It swings with the seasons: from roughly −1,189 ft at the coldest month's average temperature to about 1,946 ft at the warmest month's — all from a constant field elevation of 848 ft. The month-by-month table above carries the full year.
What is the field elevation of Ortner?
848 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is I64 (FAA), in Wakeman, Ohio.