Columbia/Mount Pleasant, Tennessee · field elev 681 ft
Density Altitude at Maury County Regional (KMRC)
Maury County Regional sits at 681 ft, and even a typical July afternoon (91 °F) only lifts density altitude to about 2,847 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 | 37.2 | −607 ft | 47.3 | 82 ft |
| February | 41.8 | −291 ft | 52.3 | 417 ft |
| March | 49.8 | 250 ft | 61.3 | 1,009 ft |
| April | 59.5 | 891 ft | 71.6 | 1,672 ft |
| May | 69.1 | 1,512 ft | 79.9 | 2,194 ft |
| June | 77.2 | 2,025 ft | 87.6 | 2,670 ft |
| July | 79.9 | 2,194 ft | 90.5 | 2,847 ft |
| August | 78.0 | 2,075 ft | 89.6 | 2,792 ft |
| September | 71.4 | 1,659 ft | 83.7 | 2,430 ft |
| October | 59.5 | 891 ft | 72.5 | 1,729 ft |
| November | 48.7 | 176 ft | 61.2 | 1,002 ft |
| December | 40.6 | −373 ft | 50.9 | 323 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 KMRC
DENSITY ALTITUDE
Field elevation 681 ft — the air behaves like 2,878 ft.
- PRESSURE ALT
- 682 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 Tennessee fields
- KLUG — Ellington
Lewisburg · elev 718 ft
- 2M2 — Lawrenceburg/Lawrence County (Fleeman Field)
Lawrenceburg · elev 937 ft
- 0M3 — Paul Bridges Field
Hohenwald · elev 972 ft
- KGHM — Centerville Municipal
Centerville · elev 765 ft
- KGZS — Abernathy Field
Pulaski · elev 689 ft
- M15 — James Tucker
Linden · elev 740 ft
- KSYI — Bomar Field/Shelbyville Municipal
Shelbyville · elev 800 ft
- M02 — Dickson Municipal
Dickson · elev 892 ft
Frequently asked questions
How high does density altitude get at KMRC in summer?
On a typical July afternoon — around 91 °F at the nearest NOAA normals station — density altitude at Maury County Regional reaches roughly 2,847 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 KMRC on an average day?
It swings with the seasons: from roughly −607 ft at the coldest month's average temperature to about 2,194 ft at the warmest month's — all from a constant field elevation of 681 ft. The month-by-month table above carries the full year.
What is the field elevation of Maury County Regional?
681 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KMRC (ICAO) / MRC (FAA), in Columbia/Mount Pleasant, Tennessee.