Tecumseh, Michigan · field elev 820 ft
Density Altitude at Merillat (34G)
Merillat sits at 820 ft, and even a typical July afternoon (86 °F) only lifts density altitude to about 2,723 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 | 23.7 | −1,380 ft | 32.5 | −760 ft |
| February | 26.3 | −1,196 ft | 36.4 | −489 ft |
| March | 35.4 | −558 ft | 46.4 | 194 ft |
| April | 46.8 | 221 ft | 59.5 | 1,063 ft |
| May | 58.1 | 971 ft | 71.1 | 1,810 ft |
| June | 68.1 | 1,619 ft | 80.9 | 2,426 ft |
| July | 72.3 | 1,886 ft | 85.7 | 2,723 ft |
| August | 70.0 | 1,740 ft | 82.7 | 2,538 ft |
| September | 63.0 | 1,291 ft | 76.2 | 2,133 ft |
| October | 51.0 | 502 ft | 63.2 | 1,304 ft |
| November | 38.7 | −330 ft | 48.7 | 348 ft |
| December | 29.6 | −963 ft | 37.9 | −385 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 34G
DENSITY ALTITUDE
Field elevation 820 ft — the air behaves like 2,741 ft.
- PRESSURE ALT
- 821 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
- 3TE — Al Meyers
Tecumseh · elev 812 ft
- 22T — Tecumseh Mills
Tecumseh · elev 797 ft
- 7N4 — Raymond L Kussmaul Jr Meml
Clinton · elev 825 ft
- 44G — Betz
Blissfield · elev 691 ft
- KADG — Lenawee County
Adrian · elev 802 ft
- 75G — Rossettie
Manchester · elev 1,005 ft
- 6G8 — Brooklyn
Brooklyn · elev 981 ft
- KARB — Ann Arbor Municipal
Ann Arbor · elev 839 ft
Frequently asked questions
How high does density altitude get at 34G in summer?
On a typical July afternoon — around 86 °F at the nearest NOAA normals station — density altitude at Merillat reaches roughly 2,723 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 34G on an average day?
It swings with the seasons: from roughly −1,380 ft at the coldest month's average temperature to about 1,886 ft at the warmest month's — all from a constant field elevation of 820 ft. The month-by-month table above carries the full year.
What is the field elevation of Merillat?
820 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 34G (FAA), in Tecumseh, Michigan.