Fredericksburg, Pennsylvania · field elev 495 ft
Density Altitude at Farmers Pride (9N7)
Farmers Pride sits at 495 ft, and even a typical July afternoon (84 °F) only lifts density altitude to about 2,246 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 | −1,376 ft | 37.0 | −852 ft |
| February | 31.9 | −1,208 ft | 40.4 | −618 ft |
| March | 40.1 | −639 ft | 49.4 | −8 ft |
| April | 51.1 | 106 ft | 62.0 | 825 ft |
| May | 61.2 | 773 ft | 71.9 | 1,462 ft |
| June | 69.9 | 1,335 ft | 80.0 | 1,973 ft |
| July | 74.3 | 1,615 ft | 84.4 | 2,246 ft |
| August | 72.5 | 1,501 ft | 82.4 | 2,122 ft |
| September | 65.5 | 1,052 ft | 75.6 | 1,697 ft |
| October | 54.0 | 299 ft | 64.1 | 962 ft |
| November | 43.2 | −427 ft | 52.3 | 186 ft |
| December | 34.3 | −1,040 ft | 41.7 | −529 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 9N7
DENSITY ALTITUDE
Field elevation 495 ft — the air behaves like 2,222 ft.
- PRESSURE ALT
- 496 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
- 8N1 — Grimes
Bethel · elev 582 ft
- 74N — Bendigo
Tower City · elev 791 ft
- 08N — Keller Brothers
Lebanon · elev 550 ft
- 58N — Reigle Field
Palmyra · elev 489 ft
- KZER — Schuylkill County/Joe Zerbey
Pottsville · elev 1,730 ft
- KLNS — Lancaster
Lancaster · elev 403 ft
- KMDT — Harrisburg International
Harrisburg · elev 310 ft
Frequently asked questions
How high does density altitude get at 9N7 in summer?
On a typical July afternoon — around 84 °F at the nearest NOAA normals station — density altitude at Farmers Pride reaches roughly 2,246 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 9N7 on an average day?
It swings with the seasons: from roughly −1,376 ft at the coldest month's average temperature to about 1,615 ft at the warmest month's — all from a constant field elevation of 495 ft. The month-by-month table above carries the full year.
What is the field elevation of Farmers Pride?
495 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 9N7 (FAA), in Fredericksburg, Pennsylvania.