Pittsboro, Mississippi · field elev 387 ft
Density Altitude at Calhoun County (04M)
Calhoun County sits at 387 ft, and even a typical July afternoon (91 °F) only lifts density altitude to about 2,526 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 | 42.9 | −582 ft | 53.8 | 153 ft |
| February | 46.9 | −310 ft | 58.6 | 470 ft |
| March | 54.8 | 219 ft | 67.0 | 1,016 ft |
| April | 62.7 | 738 ft | 74.8 | 1,514 ft |
| May | 70.8 | 1,260 ft | 81.9 | 1,959 ft |
| June | 77.9 | 1,709 ft | 88.1 | 2,343 ft |
| July | 81.0 | 1,903 ft | 91.1 | 2,526 ft |
| August | 80.4 | 1,866 ft | 91.1 | 2,526 ft |
| September | 74.7 | 1,508 ft | 86.4 | 2,238 ft |
| October | 63.8 | 809 ft | 76.8 | 1,640 ft |
| November | 52.5 | 66 ft | 64.8 | 874 ft |
| December | 45.6 | −398 ft | 56.4 | 325 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 04M
DENSITY ALTITUDE
Field elevation 387 ft — the air behaves like 2,520 ft.
- PRESSURE ALT
- 388 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 Mississippi fields
- M44 — Houston Municipal
Houston · elev 337 ft
- 33M — Water Valley Municipal
Water Valley · elev 270 ft
- KGNF — Grenada Municipal
Grenada · elev 208 ft
- 06M — Eupora
Eupora · elev 450 ft
- 22M — Pontotoc County
Pontotoc · elev 440 ft
- KUOX — University-Oxford
Oxford · elev 452 ft
- 5A4 — Okolona Municipal/Richard Stovall Field
Okolona · elev 337 ft
- 5A6 — Winona-Montgomery County
Winona · elev 364 ft
Frequently asked questions
How high does density altitude get at 04M in summer?
On a typical July afternoon — around 91 °F at the nearest NOAA normals station — density altitude at Calhoun County reaches roughly 2,526 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 04M on an average day?
It swings with the seasons: from roughly −582 ft at the coldest month's average temperature to about 1,903 ft at the warmest month's — all from a constant field elevation of 387 ft. The month-by-month table above carries the full year.
What is the field elevation of Calhoun County?
387 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 04M (FAA), in Pittsboro, Mississippi.