Crosby, Mississippi · field elev 336 ft
Density Altitude at Crosby Municipal (C71)
Crosby Municipal sits at 336 ft, and even a typical July afternoon (92 °F) only lifts density altitude to about 2,525 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 | 47.7 | −319 ft | 59.1 | 440 ft |
| February | 51.7 | −51 ft | 64.5 | 792 ft |
| March | 59.1 | 440 ft | 72.2 | 1,286 ft |
| April | 65.2 | 837 ft | 78.3 | 1,672 ft |
| May | 72.8 | 1,325 ft | 84.3 | 2,046 ft |
| June | 79.2 | 1,729 ft | 90.0 | 2,397 ft |
| July | 81.5 | 1,872 ft | 92.1 | 2,525 ft |
| August | 81.2 | 1,853 ft | 91.9 | 2,513 ft |
| September | 75.9 | 1,521 ft | 87.0 | 2,213 ft |
| October | 67.1 | 960 ft | 80.1 | 1,785 ft |
| November | 55.8 | 222 ft | 68.2 | 1,031 ft |
| December | 49.9 | −171 ft | 61.1 | 571 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 C71
DENSITY ALTITUDE
Field elevation 336 ft — the air behaves like 2,519 ft.
- PRESSURE ALT
- 337 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
- KHEZ — Hardy-Anders Field/Natchez-Adams County
Natchez · elev 272 ft
- KMCB — Mc Comb/Pike County/John E Lewis Field
Mc Comb · elev 413 ft
- 1R7 — Brookhaven-Lincoln County
Brookhaven · elev 492 ft
- T36 — Paul Pittman Meml
Tylertown · elev 384 ft
- M11 — Copiah County
Crystal Springs · elev 435 ft
- KVKS — Vicksburg Municipal
Vicksburg · elev 107 ft
- M43 — Prentiss-Jefferson Davis County
Prentiss · elev 455 ft
- 0R0 — Columbia/Marion County
Columbia · elev 270 ft
Frequently asked questions
How high does density altitude get at C71 in summer?
On a typical July afternoon — around 92 °F at the nearest NOAA normals station — density altitude at Crosby Municipal reaches roughly 2,525 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 C71 on an average day?
It swings with the seasons: from roughly −319 ft at the coldest month's average temperature to about 1,872 ft at the warmest month's — all from a constant field elevation of 336 ft. The month-by-month table above carries the full year.
What is the field elevation of Crosby Municipal?
336 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is C71 (FAA), in Crosby, Mississippi.