Lebanon, Pennsylvania · field elev 550 ft
Density Altitude at Keller Brothers (08N)
Keller Brothers sits at 550 ft, and even a typical July afternoon (84 °F) only lifts density altitude to about 2,313 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 | 29.5 | −1,307 ft | 37.0 | −784 ft |
| February | 31.9 | −1,139 ft | 40.4 | −550 ft |
| March | 40.1 | −570 ft | 49.4 | 61 ft |
| April | 51.1 | 174 ft | 62.0 | 893 ft |
| May | 61.2 | 841 ft | 71.9 | 1,530 ft |
| June | 69.9 | 1,402 ft | 80.0 | 2,040 ft |
| July | 74.3 | 1,682 ft | 84.4 | 2,313 ft |
| August | 72.5 | 1,568 ft | 82.4 | 2,190 ft |
| September | 65.5 | 1,120 ft | 75.6 | 1,764 ft |
| October | 54.0 | 367 ft | 64.1 | 1,029 ft |
| November | 43.2 | −358 ft | 52.3 | 254 ft |
| December | 34.3 | −971 ft | 41.7 | −461 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 08N
DENSITY ALTITUDE
Field elevation 550 ft — the air behaves like 2,289 ft.
- PRESSURE ALT
- 551 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
- 9D4 — Deck
Myerstown · elev 523 ft
- KLNS — Lancaster
Lancaster · elev 403 ft
- 9N7 — Farmers Pride
Fredericksburg · elev 495 ft
- 58N — Reigle Field
Palmyra · elev 489 ft
- 8N1 — Grimes
Bethel · elev 582 ft
- S37 — Smoketown
Smoketown · elev 370 ft
- N71 — Donegal Springs Airpark
Mount Joy/Marietta · elev 458 ft
- KRDG — Reading Regional/Carl A Spaatz Field
Reading · elev 343 ft
Frequently asked questions
How high does density altitude get at 08N in summer?
On a typical July afternoon — around 84 °F at the nearest NOAA normals station — density altitude at Keller Brothers reaches roughly 2,313 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 08N on an average day?
It swings with the seasons: from roughly −1,307 ft at the coldest month's average temperature to about 1,682 ft at the warmest month's — all from a constant field elevation of 550 ft. The month-by-month table above carries the full year.
What is the field elevation of Keller Brothers?
550 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 08N (FAA), in Lebanon, Pennsylvania.