Brown City, Michigan · field elev 827 ft
Density Altitude at Burgess Field (55D)
Burgess Field sits at 827 ft, and even a typical July afternoon (82 °F) only lifts density altitude to about 2,472 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 | 20.8 | −1,579 ft | 28.9 | −1,003 ft |
| February | 22.2 | −1,479 ft | 32.4 | −758 ft |
| March | 31.4 | −828 ft | 41.5 | −130 ft |
| April | 42.8 | −41 ft | 54.8 | 763 ft |
| May | 53.8 | 697 ft | 65.8 | 1,480 ft |
| June | 64.7 | 1,409 ft | 77.6 | 2,229 ft |
| July | 68.9 | 1,679 ft | 81.5 | 2,472 ft |
| August | 67.0 | 1,557 ft | 79.7 | 2,360 ft |
| September | 60.3 | 1,124 ft | 73.4 | 1,965 ft |
| October | 48.6 | 350 ft | 59.9 | 1,098 ft |
| November | 36.9 | −446 ft | 46.0 | 175 ft |
| December | 27.5 | −1,102 ft | 35.0 | −577 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 55D
DENSITY ALTITUDE
Field elevation 827 ft — the air behaves like 2,503 ft.
- PRESSURE ALT
- 828 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 Michigan fields
- 77G — Marlette Township
Marlette · elev 895 ft
- D20 — Yale
Yale · elev 815 ft
- 4Y8 — Para Field
Yale · elev 800 ft
- 96G — Cowley Field
Sandusky · elev 770 ft
- D95 — Dupont/Lapeer
Lapeer · elev 835 ft
- 39G — Avoca
Avoca · elev 726 ft
- 2E2 — Sharpe'S Strip
Emmett · elev 781 ft
- Y83 — Sandusky City
Sandusky · elev 777 ft
Frequently asked questions
How high does density altitude get at 55D in summer?
On a typical July afternoon — around 82 °F at the nearest NOAA normals station — density altitude at Burgess Field reaches roughly 2,472 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 55D on an average day?
It swings with the seasons: from roughly −1,579 ft at the coldest month's average temperature to about 1,679 ft at the warmest month's — all from a constant field elevation of 827 ft. The month-by-month table above carries the full year.
What is the field elevation of Burgess Field?
827 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 55D (FAA), in Brown City, Michigan.