Mount Pleasant, Pennsylvania · field elev 1,160 ft
Density Altitude at Mount Pleasant/Scottdale (P45)
Mount Pleasant/Scottdale sits at 1,160 ft, and even a typical July afternoon (82 °F) only lifts density altitude to about 2,916 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 | 29.0 | −580 ft | 37.4 | 4 ft |
| February | 30.8 | −454 ft | 40.6 | 223 ft |
| March | 38.9 | 107 ft | 50.0 | 856 ft |
| April | 49.3 | 810 ft | 62.2 | 1,657 ft |
| May | 59.2 | 1,463 ft | 71.3 | 2,240 ft |
| June | 67.3 | 1,985 ft | 78.5 | 2,692 ft |
| July | 71.1 | 2,227 ft | 82.1 | 2,916 ft |
| August | 69.9 | 2,151 ft | 81.2 | 2,860 ft |
| September | 63.1 | 1,716 ft | 75.2 | 2,486 ft |
| October | 51.8 | 976 ft | 63.7 | 1,754 ft |
| November | 41.5 | 284 ft | 51.8 | 976 ft |
| December | 33.7 | −252 ft | 42.0 | 318 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 P45
DENSITY ALTITUDE
Field elevation 1,160 ft — the air behaves like 2,909 ft.
- PRESSURE ALT
- 1,161 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
- KVVS — Joseph A Hardy Connellsville
Connellsville · elev 1,264 ft
- KLBE — Arnold Palmer Regional
Latrobe · elev 1,199 ft
- KFWQ — Rostraver
Monongahela · elev 1,228 ft
- 5G8 — Greensburg Jeannette Regional
Jeannette · elev 1,188 ft
- 31D — Inter County
Irwin · elev 1,250 ft
- G05 — Finleyville Airpark
Finleyville · elev 1,236 ft
- KAGC — Allegheny County
Pittsburgh · elev 1,252 ft
- 2G9 — Somerset County
Somerset · elev 2,275 ft
Frequently asked questions
How high does density altitude get at P45 in summer?
On a typical July afternoon — around 82 °F at the nearest NOAA normals station — density altitude at Mount Pleasant/Scottdale reaches roughly 2,916 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 P45 on an average day?
It swings with the seasons: from roughly −580 ft at the coldest month's average temperature to about 2,227 ft at the warmest month's — all from a constant field elevation of 1,160 ft. The month-by-month table above carries the full year.
What is the field elevation of Mount Pleasant/Scottdale?
1,160 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is P45 (FAA), in Mount Pleasant, Pennsylvania.