Bath, Michigan · field elev 856 ft
Density Altitude at University Airpark (41G)
University Airpark sits at 856 ft, and even a typical July afternoon (83 °F) only lifts density altitude to about 2,588 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 | 23.9 | −1,321 ft | 30.6 | −847 ft |
| February | 25.9 | −1,179 ft | 33.5 | −645 ft |
| March | 35.2 | −527 ft | 44.4 | 103 ft |
| April | 47.0 | 279 ft | 57.6 | 983 ft |
| May | 58.4 | 1,035 ft | 69.4 | 1,746 ft |
| June | 68.0 | 1,657 ft | 78.9 | 2,346 ft |
| July | 71.8 | 1,899 ft | 82.8 | 2,588 ft |
| August | 70.0 | 1,784 ft | 80.6 | 2,452 ft |
| September | 62.5 | 1,303 ft | 73.6 | 2,013 ft |
| October | 50.8 | 533 ft | 60.5 | 1,173 ft |
| November | 39.5 | −231 ft | 47.0 | 279 ft |
| December | 29.5 | −925 ft | 35.7 | −492 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 41G
DENSITY ALTITUDE
Field elevation 856 ft — the air behaves like 2,600 ft.
- PRESSURE ALT
- 857 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
- KLAN — Capital Region International
Lansing · elev 861 ft
- 51C — Orban
Dewitt · elev 882 ft
- 3F5 — Forest Hill
Westphalia · elev 772 ft
- 97G — Glowacki
St Johns · elev 775 ft
- 4D0 — Abrams Municipal
Grand Ledge · elev 841 ft
- 3S5 — Schiffer Acres
St Johns · elev 741 ft
- 39T — Tripp Creek
St Johns · elev 717 ft
- M99 — Shady Lane
St Johns · elev 680 ft
Frequently asked questions
How high does density altitude get at 41G in summer?
On a typical July afternoon — around 83 °F at the nearest NOAA normals station — density altitude at University Airpark reaches roughly 2,588 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 41G on an average day?
It swings with the seasons: from roughly −1,321 ft at the coldest month's average temperature to about 1,899 ft at the warmest month's — all from a constant field elevation of 856 ft. The month-by-month table above carries the full year.
What is the field elevation of University Airpark?
856 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 41G (FAA), in Bath, Michigan.