Marlette, Michigan · field elev 895 ft
Density Altitude at Marlette Township (77G)
Marlette Township sits at 895 ft, and even a typical July afternoon (80 °F) only lifts density altitude to about 2,468 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 | 21.5 | −1,444 ft | 28.4 | −953 ft |
| February | 22.5 | −1,372 ft | 30.9 | −778 ft |
| March | 32.1 | −694 ft | 40.7 | −100 ft |
| April | 43.5 | 91 ft | 53.8 | 781 ft |
| May | 55.9 | 919 ft | 66.5 | 1,609 ft |
| June | 66.2 | 1,589 ft | 76.5 | 2,243 ft |
| July | 70.1 | 1,839 ft | 80.1 | 2,468 ft |
| August | 68.2 | 1,717 ft | 78.2 | 2,350 ft |
| September | 61.4 | 1,279 ft | 72.0 | 1,959 ft |
| October | 49.4 | 488 ft | 58.6 | 1,097 ft |
| November | 37.6 | −313 ft | 45.2 | 206 ft |
| December | 28.3 | −960 ft | 34.2 | −548 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 77G
DENSITY ALTITUDE
Field elevation 895 ft — the air behaves like 2,462 ft.
- PRESSURE ALT
- 896 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
- 55D — Burgess Field
Brown City · elev 827 ft
- 96G — Cowley Field
Sandusky · elev 770 ft
- Y83 — Sandusky City
Sandusky · elev 777 ft
- 4Y8 — Para Field
Yale · elev 800 ft
- D95 — Dupont/Lapeer
Lapeer · elev 835 ft
- KCFS — Tuscola Area
Caro · elev 704 ft
- D20 — Yale
Yale · elev 815 ft
- 55G — Arnold Field
Croswell · elev 784 ft
Frequently asked questions
How high does density altitude get at 77G in summer?
On a typical July afternoon — around 80 °F at the nearest NOAA normals station — density altitude at Marlette Township reaches roughly 2,468 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 77G on an average day?
It swings with the seasons: from roughly −1,444 ft at the coldest month's average temperature to about 1,839 ft at the warmest month's — all from a constant field elevation of 895 ft. The month-by-month table above carries the full year.
What is the field elevation of Marlette Township?
895 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 77G (FAA), in Marlette, Michigan.