Indiana, Pennsylvania · field elev 1,419 ft
Density Altitude at Indiana County/Jimmy Stewart Field (KIDI)
Indiana County/Jimmy Stewart Field sits at 1,419 ft, and even a typical July afternoon (83 °F) only lifts density altitude to about 3,256 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 | 26.7 | −418 ft | 35.8 | 216 ft |
| February | 28.8 | −270 ft | 39.2 | 449 ft |
| March | 37.1 | 305 ft | 48.8 | 1,097 ft |
| April | 48.3 | 1,064 ft | 61.7 | 1,944 ft |
| May | 58.7 | 1,749 ft | 71.5 | 2,570 ft |
| June | 66.5 | 2,252 ft | 78.7 | 3,021 ft |
| July | 70.7 | 2,519 ft | 82.5 | 3,256 ft |
| August | 69.4 | 2,437 ft | 81.1 | 3,170 ft |
| September | 63.0 | 2,028 ft | 74.8 | 2,778 ft |
| October | 51.9 | 1,303 ft | 63.4 | 2,053 ft |
| November | 40.5 | 538 ft | 51.0 | 1,243 ft |
| December | 32.3 | −26 ft | 40.7 | 551 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 KIDI
DENSITY ALTITUDE
Field elevation 1,419 ft — the air behaves like 3,287 ft.
- PRESSURE ALT
- 1,420 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 Pennsylvania fields
- 9G8 — Ebensburg
Ebensburg · elev 2,099 ft
- N35 — Punxsutawney Municipal
Punxsutawney · elev 1,445 ft
- KJST — John Murtha Johnstown/Cambria County
Johnstown · elev 2,284 ft
- 6P7 — Mcville
Freeport · elev 1,105 ft
- KLBE — Arnold Palmer Regional
Latrobe · elev 1,199 ft
- 5G8 — Greensburg Jeannette Regional
Jeannette · elev 1,188 ft
- KDUJ — Dubois Regional
Dubois · elev 1,817 ft
- 31D — Inter County
Irwin · elev 1,250 ft
Frequently asked questions
How high does density altitude get at KIDI in summer?
On a typical July afternoon — around 83 °F at the nearest NOAA normals station — density altitude at Indiana County/Jimmy Stewart Field reaches roughly 3,256 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 KIDI on an average day?
It swings with the seasons: from roughly −418 ft at the coldest month's average temperature to about 2,519 ft at the warmest month's — all from a constant field elevation of 1,419 ft. The month-by-month table above carries the full year.
What is the field elevation of Indiana County/Jimmy Stewart Field?
1,419 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KIDI (ICAO) / IDI (FAA), in Indiana, Pennsylvania.