Mansfield, Ohio · field elev 1,297 ft
Density Altitude at Mansfield Lahm Regional (KMFD)
Mansfield Lahm Regional sits at 1,297 ft, and even a typical July afternoon (83 °F) only lifts density altitude to about 3,126 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 | −584 ft | 34.0 | −60 ft |
| February | 29.1 | −401 ft | 37.0 | 147 ft |
| March | 37.8 | 202 ft | 46.9 | 819 ft |
| April | 49.7 | 1,006 ft | 60.4 | 1,709 ft |
| May | 60.3 | 1,703 ft | 71.1 | 2,395 ft |
| June | 69.0 | 2,262 ft | 79.4 | 2,916 ft |
| July | 72.6 | 2,490 ft | 82.8 | 3,126 ft |
| August | 71.0 | 2,389 ft | 81.2 | 3,027 ft |
| September | 64.4 | 1,968 ft | 75.0 | 2,641 ft |
| October | 53.0 | 1,225 ft | 62.8 | 1,865 ft |
| November | 41.5 | 454 ft | 49.6 | 999 ft |
| December | 31.8 | −213 ft | 38.6 | 256 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 KMFD
DENSITY ALTITUDE
Field elevation 1,297 ft — the air behaves like 3,138 ft.
- PRESSURE ALT
- 1,298 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
- 12G — Shelby Community
Shelby · elev 1,120 ft
- KGQQ — Galion Municipal
Galion · elev 1,224 ft
- 3G4 — Ashland County
Ashland · elev 1,207 ft
- 8G1 — Willard
Willard · elev 967 ft
- 17G — Port Bucyrus/Crawford County
Bucyrus · elev 1,008 ft
- 4I9 — Morrow County
Mount Gilead · elev 1,086 ft
- 5A1 — Norwalk/Huron County
Norwalk · elev 853 ft
- 6G4 — Wynkoop
Mount Vernon · elev 1,041 ft
Frequently asked questions
How high does density altitude get at KMFD in summer?
On a typical July afternoon — around 83 °F at the nearest NOAA normals station — density altitude at Mansfield Lahm Regional reaches roughly 3,126 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 KMFD on an average day?
It swings with the seasons: from roughly −584 ft at the coldest month's average temperature to about 2,490 ft at the warmest month's — all from a constant field elevation of 1,297 ft. The month-by-month table above carries the full year.
What is the field elevation of Mansfield Lahm Regional?
1,297 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KMFD (ICAO) / MFD (FAA), in Mansfield, Ohio.