Eldora, Iowa · field elev 975 ft
Density Altitude at Eldora (27P)
Eldora sits at 975 ft, and even a typical July afternoon (84 °F) only lifts density altitude to about 2,776 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 | 17.1 | −1,660 ft | 25.8 | −1,037 ft |
| February | 21.6 | −1,336 ft | 30.7 | −692 ft |
| March | 34.1 | −455 ft | 44.1 | 231 ft |
| April | 47.0 | 426 ft | 58.7 | 1,202 ft |
| May | 59.2 | 1,234 ft | 70.4 | 1,956 ft |
| June | 69.4 | 1,892 ft | 80.3 | 2,578 ft |
| July | 72.7 | 2,102 ft | 83.5 | 2,776 ft |
| August | 70.4 | 1,956 ft | 81.5 | 2,653 ft |
| September | 63.0 | 1,481 ft | 75.5 | 2,278 ft |
| October | 50.0 | 627 ft | 61.7 | 1,397 ft |
| November | 35.4 | −365 ft | 45.0 | 292 ft |
| December | 23.3 | −1,215 ft | 31.6 | −629 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 27P
DENSITY ALTITUDE
Field elevation 975 ft — the air behaves like 2,807 ft.
- PRESSURE ALT
- 976 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 Iowa fields
- KIFA — Iowa Falls Municipal
Iowa Falls · elev 1,137 ft
- 6K7 — Grundy Center Municipal
Grundy Center · elev 1,075 ft
- 2Y1 — Drake
Radcliffe · elev 1,179 ft
- 4C7 — Ackley Municipal
Ackley · elev 1,070 ft
- KMIW — Marshalltown Municipal
Marshalltown · elev 975 ft
- KHPT — Hampton Municipal
Hampton · elev 1,176 ft
- K98 — Allison Municipal
Allison · elev 1,053 ft
- 8C6 — Traer Municipal
Traer · elev 892 ft
Frequently asked questions
How high does density altitude get at 27P in summer?
On a typical July afternoon — around 84 °F at the nearest NOAA normals station — density altitude at Eldora reaches roughly 2,776 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 27P on an average day?
It swings with the seasons: from roughly −1,660 ft at the coldest month's average temperature to about 2,102 ft at the warmest month's — all from a constant field elevation of 975 ft. The month-by-month table above carries the full year.
What is the field elevation of Eldora?
975 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 27P (FAA), in Eldora, Iowa.