Corydon, Iowa · field elev 1,045 ft
Density Altitude at Corydon (0E9)
Corydon sits at 1,045 ft, and even a typical July afternoon (85 °F) only lifts density altitude to about 2,942 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 | 22.2 | −1,205 ft | 31.5 | −548 ft |
| February | 26.6 | −893 ft | 36.7 | −188 ft |
| March | 38.4 | −71 ft | 49.2 | 660 ft |
| April | 49.9 | 707 ft | 61.5 | 1,470 ft |
| May | 60.6 | 1,412 ft | 71.1 | 2,086 ft |
| June | 70.1 | 2,023 ft | 80.1 | 2,651 ft |
| July | 74.5 | 2,301 ft | 84.8 | 2,942 ft |
| August | 72.5 | 2,175 ft | 82.9 | 2,825 ft |
| September | 64.7 | 1,677 ft | 75.9 | 2,389 ft |
| October | 52.5 | 880 ft | 63.5 | 1,600 ft |
| November | 38.6 | −57 ft | 48.8 | 634 ft |
| December | 27.6 | −822 ft | 36.6 | −195 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 0E9
DENSITY ALTITUDE
Field elevation 1,045 ft — the air behaves like 2,954 ft.
- PRESSURE ALT
- 1,046 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
- KTVK — Centerville Municipal
Centerville · elev 1,023 ft
- KCNC — Chariton Municipal
Chariton · elev 1,051 ft
- 4C8 — Albia Municipal
Albia · elev 964 ft
- I75 — Osceola Municipal
Osceola · elev 1,115 ft
- KLWD — Lamoni Municipal
Lamoni · elev 1,131 ft
- KOXV — Knoxville Municipal
Knoxville · elev 928 ft
- 6Z6 — Nash Field Indianola
Indianola · elev 991 ft
- 4K6 — Bloomfield Municipal
Bloomfield · elev 888 ft
Frequently asked questions
How high does density altitude get at 0E9 in summer?
On a typical July afternoon — around 85 °F at the nearest NOAA normals station — density altitude at Corydon reaches roughly 2,942 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 0E9 on an average day?
It swings with the seasons: from roughly −1,205 ft at the coldest month's average temperature to about 2,301 ft at the warmest month's — all from a constant field elevation of 1,045 ft. The month-by-month table above carries the full year.
What is the field elevation of Corydon?
1,045 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 0E9 (FAA), in Corydon, Iowa.