Brookhaven, Mississippi · field elev 492 ft
Density Altitude at Brookhaven-Lincoln County (1R7)
Brookhaven-Lincoln County sits at 492 ft, and even a typical August afternoon (90 °F) only lifts density altitude to about 2,593 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 | 46.7 | −193 ft | 57.2 | 507 ft |
| February | 50.6 | 69 ft | 61.6 | 796 ft |
| March | 57.3 | 514 ft | 68.6 | 1,248 ft |
| April | 63.7 | 932 ft | 75.0 | 1,655 ft |
| May | 71.7 | 1,446 ft | 82.0 | 2,094 ft |
| June | 78.0 | 1,844 ft | 87.6 | 2,440 ft |
| July | 80.3 | 1,988 ft | 89.7 | 2,568 ft |
| August | 80.2 | 1,982 ft | 90.1 | 2,593 ft |
| September | 75.6 | 1,693 ft | 86.0 | 2,341 ft |
| October | 65.3 | 1,036 ft | 77.5 | 1,813 ft |
| November | 55.0 | 362 ft | 66.8 | 1,132 ft |
| December | 48.9 | −45 ft | 59.4 | 652 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 1R7
DENSITY ALTITUDE
Field elevation 492 ft — the air behaves like 2,587 ft.
- PRESSURE ALT
- 493 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
- M11 — Copiah County
Crystal Springs · elev 435 ft
- M43 — Prentiss-Jefferson Davis County
Prentiss · elev 455 ft
- KMCB — Mc Comb/Pike County/John E Lewis Field
Mc Comb · elev 413 ft
- T36 — Paul Pittman Meml
Tylertown · elev 384 ft
- 17M — Magee Municipal
Magee · elev 556 ft
- 0R0 — Columbia/Marion County
Columbia · elev 270 ft
- C71 — Crosby Municipal
Crosby · elev 336 ft
- KJVW — John Bell Williams
Raymond · elev 247 ft
Frequently asked questions
How high does density altitude get at 1R7 in summer?
On a typical August afternoon — around 90 °F at the nearest NOAA normals station — density altitude at Brookhaven-Lincoln County reaches roughly 2,593 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 1R7 on an average day?
It swings with the seasons: from roughly −193 ft at the coldest month's average temperature to about 1,988 ft at the warmest month's — all from a constant field elevation of 492 ft. The month-by-month table above carries the full year.
What is the field elevation of Brookhaven-Lincoln County?
492 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 1R7 (FAA), in Brookhaven, Mississippi.