St Clairsville, Ohio · field elev 1,187 ft
Density Altitude at Alderman (2P7)
Alderman sits at 1,187 ft, and even a typical July afternoon (83 °F) only lifts density altitude to about 2,986 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 | 28.0 | −616 ft | 35.5 | −94 ft |
| February | 30.7 | −427 ft | 39.2 | 161 ft |
| March | 39.0 | 147 ft | 49.1 | 830 ft |
| April | 50.6 | 930 ft | 61.7 | 1,658 ft |
| May | 60.5 | 1,580 ft | 71.5 | 2,286 ft |
| June | 68.8 | 2,114 ft | 78.9 | 2,750 ft |
| July | 72.9 | 2,374 ft | 82.7 | 2,986 ft |
| August | 71.2 | 2,267 ft | 81.9 | 2,936 ft |
| September | 64.9 | 1,865 ft | 75.6 | 2,544 ft |
| October | 54.0 | 1,155 ft | 64.4 | 1,833 ft |
| November | 42.2 | 365 ft | 50.8 | 943 ft |
| December | 33.4 | −239 ft | 40.9 | 277 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 2P7
DENSITY ALTITUDE
Field elevation 1,187 ft — the air behaves like 3,004 ft.
- PRESSURE ALT
- 1,188 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 Ohio fields
- 6G5 — Barnesville/Bradfield
Barnesville · elev 1,312 ft
- 8G6 — Harrison County
Cadiz · elev 1,176 ft
- 4G5 — Monroe County
Woodsfield · elev 1,197 ft
- 2G2 — Geary A Bates/Jefferson County Airpark
Steubenville · elev 1,198 ft
- KCDI — Cambridge Municipal
Cambridge · elev 799 ft
- 1G8 — Eddie Dew Meml Airpark
Toronto · elev 1,067 ft
- I10 — Noble County
Caldwell · elev 879 ft
- KTSO — Carroll County/Tolson
Carrollton · elev 1,164 ft
Frequently asked questions
How high does density altitude get at 2P7 in summer?
On a typical July afternoon — around 83 °F at the nearest NOAA normals station — density altitude at Alderman reaches roughly 2,986 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 2P7 on an average day?
It swings with the seasons: from roughly −616 ft at the coldest month's average temperature to about 2,374 ft at the warmest month's — all from a constant field elevation of 1,187 ft. The month-by-month table above carries the full year.
What is the field elevation of Alderman?
1,187 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 2P7 (FAA), in St Clairsville, Ohio.