Weidman, Michigan · field elev 959 ft
Density Altitude at Ojibwa Airpark (D11)
Ojibwa Airpark sits at 959 ft, and even a typical July afternoon (84 °F) only lifts density altitude to about 2,769 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 | 22.7 | −1,278 ft | 29.5 | −796 ft |
| February | 24.4 | −1,156 ft | 32.3 | −600 ft |
| March | 33.1 | −544 ft | 42.7 | 116 ft |
| April | 45.1 | 278 ft | 56.2 | 1,018 ft |
| May | 57.6 | 1,110 ft | 69.4 | 1,873 ft |
| June | 68.0 | 1,783 ft | 79.5 | 2,509 ft |
| July | 72.2 | 2,051 ft | 83.7 | 2,769 ft |
| August | 70.2 | 1,924 ft | 81.5 | 2,633 ft |
| September | 62.6 | 1,436 ft | 74.0 | 2,164 ft |
| October | 50.3 | 627 ft | 60.2 | 1,280 ft |
| November | 38.3 | −185 ft | 45.8 | 326 ft |
| December | 28.6 | −859 ft | 34.8 | −426 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 D11
DENSITY ALTITUDE
Field elevation 959 ft — the air behaves like 2,788 ft.
- PRESSURE ALT
- 960 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
- D15 — Lake Isabella/Cal Brewer Meml
Lake Isabella · elev 886 ft
- MI1 — Denton Farms
Clare · elev 851 ft
- 53W — Woodruff Lake
Winn · elev 938 ft
- 27C — Mecosta Morton
Mecosta · elev 1,022 ft
- KMOP — Mount Pleasant Municipal
Mount Pleasant · elev 755 ft
- 48D — Clare Municipal
Clare · elev 856 ft
- 0C5 — Canadian Lakes
Mecosta · elev 960 ft
- 9C8 — Evart Municipal
Evart · elev 1,020 ft
Frequently asked questions
How high does density altitude get at D11 in summer?
On a typical July afternoon — around 84 °F at the nearest NOAA normals station — density altitude at Ojibwa Airpark reaches roughly 2,769 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 D11 on an average day?
It swings with the seasons: from roughly −1,278 ft at the coldest month's average temperature to about 2,051 ft at the warmest month's — all from a constant field elevation of 959 ft. The month-by-month table above carries the full year.
What is the field elevation of Ojibwa Airpark?
959 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is D11 (FAA), in Weidman, Michigan.