Dewitt, Michigan · field elev 882 ft
Density Altitude at Orban (51C)
Orban sits at 882 ft, and even a typical July afternoon (83 °F) only lifts density altitude to about 2,620 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 | −1,288 ft | 30.6 | −815 ft |
| February | 25.9 | −1,146 ft | 33.5 | −613 ft |
| March | 35.2 | −495 ft | 44.4 | 135 ft |
| April | 47.0 | 311 ft | 57.6 | 1,015 ft |
| May | 58.4 | 1,067 ft | 69.4 | 1,778 ft |
| June | 68.0 | 1,689 ft | 78.9 | 2,377 ft |
| July | 71.8 | 1,931 ft | 82.8 | 2,620 ft |
| August | 70.0 | 1,816 ft | 80.6 | 2,483 ft |
| September | 62.5 | 1,335 ft | 73.6 | 2,045 ft |
| October | 50.8 | 565 ft | 60.5 | 1,205 ft |
| November | 39.5 | −198 ft | 47.0 | 311 ft |
| December | 29.5 | −892 ft | 35.7 | −460 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 51C
DENSITY ALTITUDE
Field elevation 882 ft — the air behaves like 2,632 ft.
- PRESSURE ALT
- 883 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
- 3F5 — Forest Hill
Westphalia · elev 772 ft
- KLAN — Capital Region International
Lansing · elev 861 ft
- 4D0 — Abrams Municipal
Grand Ledge · elev 841 ft
- 41G — University Airpark
Bath · elev 856 ft
- 97G — Glowacki
St Johns · elev 775 ft
- M99 — Shady Lane
St Johns · elev 680 ft
- 3S5 — Schiffer Acres
St Johns · elev 741 ft
- 39T — Tripp Creek
St Johns · elev 717 ft
Frequently asked questions
How high does density altitude get at 51C in summer?
On a typical July afternoon — around 83 °F at the nearest NOAA normals station — density altitude at Orban reaches roughly 2,620 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 51C on an average day?
It swings with the seasons: from roughly −1,288 ft at the coldest month's average temperature to about 1,931 ft at the warmest month's — all from a constant field elevation of 882 ft. The month-by-month table above carries the full year.
What is the field elevation of Orban?
882 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 51C (FAA), in Dewitt, Michigan.