Yale, Michigan · field elev 815 ft
Density Altitude at Yale (D20)
Yale sits at 815 ft, and even a typical July afternoon (82 °F) only lifts density altitude to about 2,457 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 | 20.8 | −1,594 ft | 28.9 | −1,018 ft |
| February | 22.2 | −1,494 ft | 32.4 | −773 ft |
| March | 31.4 | −843 ft | 41.5 | −145 ft |
| April | 42.8 | −56 ft | 54.8 | 748 ft |
| May | 53.8 | 682 ft | 65.8 | 1,465 ft |
| June | 64.7 | 1,394 ft | 77.6 | 2,214 ft |
| July | 68.9 | 1,664 ft | 81.5 | 2,457 ft |
| August | 67.0 | 1,542 ft | 79.7 | 2,345 ft |
| September | 60.3 | 1,109 ft | 73.4 | 1,950 ft |
| October | 48.6 | 335 ft | 59.9 | 1,083 ft |
| November | 36.9 | −461 ft | 46.0 | 160 ft |
| December | 27.5 | −1,117 ft | 35.0 | −592 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 D20
DENSITY ALTITUDE
Field elevation 815 ft — the air behaves like 2,488 ft.
- PRESSURE ALT
- 816 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
- 4Y8 — Para Field
Yale · elev 800 ft
- 39G — Avoca
Avoca · elev 726 ft
- 2E2 — Sharpe'S Strip
Emmett · elev 781 ft
- 55D — Burgess Field
Brown City · elev 827 ft
- 55G — Arnold Field
Croswell · elev 784 ft
- 96G — Cowley Field
Sandusky · elev 770 ft
- KPHN — St Clair County International
Port Huron · elev 650 ft
- 77G — Marlette Township
Marlette · elev 895 ft
Frequently asked questions
How high does density altitude get at D20 in summer?
On a typical July afternoon — around 82 °F at the nearest NOAA normals station — density altitude at Yale reaches roughly 2,457 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 D20 on an average day?
It swings with the seasons: from roughly −1,594 ft at the coldest month's average temperature to about 1,664 ft at the warmest month's — all from a constant field elevation of 815 ft. The month-by-month table above carries the full year.
What is the field elevation of Yale?
815 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is D20 (FAA), in Yale, Michigan.