Centerburg, Ohio · field elev 1,180 ft
Density Altitude at Chapman Meml Field (6CM)
Chapman Meml Field sits at 1,180 ft, and even a typical July afternoon (83 °F) only lifts density altitude to about 2,996 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 | 25.2 | −823 ft | 33.5 | −241 ft |
| February | 27.9 | −632 ft | 37.2 | 15 ft |
| March | 37.5 | 35 ft | 47.9 | 741 ft |
| April | 50.0 | 881 ft | 61.8 | 1,656 ft |
| May | 60.3 | 1,559 ft | 71.6 | 2,283 ft |
| June | 68.9 | 2,112 ft | 79.7 | 2,791 ft |
| July | 72.0 | 2,309 ft | 83.0 | 2,996 ft |
| August | 70.4 | 2,207 ft | 81.6 | 2,909 ft |
| September | 63.7 | 1,779 ft | 75.4 | 2,523 ft |
| October | 52.1 | 1,021 ft | 63.5 | 1,766 ft |
| November | 40.6 | 248 ft | 50.1 | 888 ft |
| December | 30.9 | −422 ft | 38.8 | 125 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 6CM
DENSITY ALTITUDE
Field elevation 1,180 ft — the air behaves like 2,996 ft.
- PRESSURE ALT
- 1,181 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
- 4I3 — Knox County
Mount Vernon · elev 1,192 ft
- 6G4 — Wynkoop
Mount Vernon · elev 1,041 ft
- 4I9 — Morrow County
Mount Gilead · elev 1,086 ft
- KDLZ — Delaware Municipal/Jim Moore Field
Delaware · elev 945 ft
- KCMH — John Glenn Columbus International
Columbus · elev 815 ft
- KVTA — Licking County Regional
Newark · elev 884 ft
- KOSU — Ohio State University
Columbus · elev 906 ft
- 5E9 — Packer
Radnor · elev 918 ft
Frequently asked questions
How high does density altitude get at 6CM in summer?
On a typical July afternoon — around 83 °F at the nearest NOAA normals station — density altitude at Chapman Meml Field reaches roughly 2,996 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 6CM on an average day?
It swings with the seasons: from roughly −823 ft at the coldest month's average temperature to about 2,309 ft at the warmest month's — all from a constant field elevation of 1,180 ft. The month-by-month table above carries the full year.
What is the field elevation of Chapman Meml Field?
1,180 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 6CM (FAA), in Centerburg, Ohio.