Sandusky, Michigan · field elev 770 ft
Density Altitude at Cowley Field (96G)
Cowley Field sits at 770 ft, and even a typical July afternoon (80 °F) only lifts density altitude to about 2,315 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 | −1,601 ft | 28.4 | −1,110 ft |
| February | 22.5 | −1,529 ft | 30.9 | −934 ft |
| March | 32.1 | −850 ft | 40.7 | −255 ft |
| April | 43.5 | −65 ft | 53.8 | 626 ft |
| May | 55.9 | 765 ft | 66.5 | 1,455 ft |
| June | 66.2 | 1,436 ft | 76.5 | 2,090 ft |
| July | 70.1 | 1,685 ft | 80.1 | 2,315 ft |
| August | 68.2 | 1,564 ft | 78.2 | 2,197 ft |
| September | 61.4 | 1,125 ft | 72.0 | 1,806 ft |
| October | 49.4 | 333 ft | 58.6 | 942 ft |
| November | 37.6 | −468 ft | 45.2 | 51 ft |
| December | 28.3 | −1,117 ft | 34.2 | −704 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 96G
DENSITY ALTITUDE
Field elevation 770 ft — the air behaves like 2,309 ft.
- PRESSURE ALT
- 771 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
- Y83 — Sandusky City
Sandusky · elev 777 ft
- 55G — Arnold Field
Croswell · elev 784 ft
- 4Y8 — Para Field
Yale · elev 800 ft
- 77G — Marlette Township
Marlette · elev 895 ft
- 55D — Burgess Field
Brown City · elev 827 ft
- D20 — Yale
Yale · elev 815 ft
- 39G — Avoca
Avoca · elev 726 ft
- KBAX — Huron County Meml
Bad Axe · elev 764 ft
Frequently asked questions
How high does density altitude get at 96G in summer?
On a typical July afternoon — around 80 °F at the nearest NOAA normals station — density altitude at Cowley Field reaches roughly 2,315 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 96G on an average day?
It swings with the seasons: from roughly −1,601 ft at the coldest month's average temperature to about 1,685 ft at the warmest month's — all from a constant field elevation of 770 ft. The month-by-month table above carries the full year.
What is the field elevation of Cowley Field?
770 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 96G (FAA), in Sandusky, Michigan.