Dayton, Ohio · field elev 957 ft
Density Altitude at Dayton/Wright Brothers (KMGY)
Dayton/Wright Brothers sits at 957 ft, and even a typical July afternoon (86 °F) only lifts density altitude to about 2,902 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 | 30.6 | −721 ft | 39.1 | −132 ft |
| February | 33.8 | −498 ft | 43.0 | 134 ft |
| March | 42.6 | 107 ft | 52.6 | 778 ft |
| April | 53.9 | 864 ft | 65.2 | 1,601 ft |
| May | 64.0 | 1,524 ft | 74.8 | 2,212 ft |
| June | 72.2 | 2,048 ft | 82.8 | 2,711 ft |
| July | 75.4 | 2,250 ft | 85.9 | 2,902 ft |
| August | 74.2 | 2,174 ft | 85.1 | 2,853 ft |
| September | 67.4 | 1,742 ft | 78.8 | 2,463 ft |
| October | 55.8 | 989 ft | 66.8 | 1,704 ft |
| November | 44.3 | 222 ft | 53.8 | 857 ft |
| December | 35.1 | −408 ft | 42.9 | 127 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 KMGY
DENSITY ALTITUDE
Field elevation 957 ft — the air behaves like 2,908 ft.
- PRESSURE ALT
- 958 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
- I73 — Moraine Air Park
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- KMWO — Middletown Regional/Hook Field
Middletown · elev 651 ft
- I44 — Dahio Trotwood
Dayton · elev 925 ft
- KGDK — Greene County/Lewis A Jackson Regional
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- I66 — Clinton Field
Wilmington · elev 1,033 ft
- KDAY — James M Cox Dayton International
Dayton · elev 1,009 ft
Frequently asked questions
How high does density altitude get at KMGY in summer?
On a typical July afternoon — around 86 °F at the nearest NOAA normals station — density altitude at Dayton/Wright Brothers reaches roughly 2,902 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 KMGY on an average day?
It swings with the seasons: from roughly −721 ft at the coldest month's average temperature to about 2,250 ft at the warmest month's — all from a constant field elevation of 957 ft. The month-by-month table above carries the full year.
What is the field elevation of Dayton/Wright Brothers?
957 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KMGY (ICAO) / MGY (FAA), in Dayton, Ohio.