Vevay, Indiana · field elev 484 ft
Density Altitude at Robinson (8I1)
Robinson sits at 484 ft, and even a typical July afternoon (89 °F) only lifts density altitude to about 2,485 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 | 33.4 | −1,116 ft | 41.3 | −570 ft |
| February | 36.9 | −873 ft | 46.1 | −244 ft |
| March | 45.8 | −264 ft | 56.6 | 458 ft |
| April | 56.8 | 471 ft | 69.1 | 1,270 ft |
| May | 66.4 | 1,097 ft | 77.8 | 1,822 ft |
| June | 73.8 | 1,570 ft | 84.6 | 2,245 ft |
| July | 77.8 | 1,822 ft | 88.5 | 2,485 ft |
| August | 76.7 | 1,753 ft | 87.6 | 2,430 ft |
| September | 70.0 | 1,328 ft | 81.4 | 2,047 ft |
| October | 58.0 | 550 ft | 69.4 | 1,289 ft |
| November | 46.1 | −244 ft | 55.9 | 412 ft |
| December | 37.4 | −839 ft | 44.9 | −325 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 8I1
DENSITY ALTITUDE
Field elevation 484 ft — the air behaves like 2,516 ft.
- PRESSURE ALT
- 485 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 Indiana fields
- 64I — Lee Bottom
Hanover · elev 473 ft
- KIMS — Madison Regional
Madison · elev 819 ft
- 3R8 — Honaker Field
Scottsburg · elev 600 ft
- KOVO — North Vernon
North Vernon · elev 757 ft
- KJVY — Clark Regional
Jeffersonville · elev 478 ft
- KSER — Freeman Municipal
Seymour · elev 583 ft
- KHLB — Batesville
Batesville · elev 975 ft
- I34 — Greensburg Municipal
Greensburg · elev 909 ft
Frequently asked questions
How high does density altitude get at 8I1 in summer?
On a typical July afternoon — around 89 °F at the nearest NOAA normals station — density altitude at Robinson reaches roughly 2,485 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 8I1 on an average day?
It swings with the seasons: from roughly −1,116 ft at the coldest month's average temperature to about 1,822 ft at the warmest month's — all from a constant field elevation of 484 ft. The month-by-month table above carries the full year.
What is the field elevation of Robinson?
484 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 8I1 (FAA), in Vevay, Indiana.