Many, Louisiana · field elev 319 ft
Density Altitude at Hart (3R4)
Hart sits at 319 ft, and even a typical August afternoon (92 °F) only lifts density altitude to about 2,492 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 | −408 ft | 58.0 | 346 ft |
| February | 50.0 | −185 ft | 61.6 | 582 ft |
| March | 56.8 | 267 ft | 69.5 | 1,093 ft |
| April | 63.6 | 713 ft | 76.3 | 1,525 ft |
| May | 71.9 | 1,247 ft | 83.4 | 1,970 ft |
| June | 78.5 | 1,664 ft | 89.4 | 2,339 ft |
| July | 81.7 | 1,864 ft | 91.7 | 2,480 ft |
| August | 81.0 | 1,820 ft | 91.9 | 2,492 ft |
| September | 75.9 | 1,500 ft | 87.2 | 2,204 ft |
| October | 65.4 | 829 ft | 78.8 | 1,683 ft |
| November | 55.5 | 181 ft | 68.0 | 997 ft |
| December | 48.3 | −300 ft | 59.4 | 438 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 3R4
DENSITY ALTITUDE
Field elevation 319 ft — the air behaves like 2,498 ft.
- PRESSURE ALT
- 320 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 Louisiana fields
- KIER — Natchitoches Regional
Natchitoches · elev 121 ft
- L39 — Leesville
Leesville · elev 282 ft
- 0R7 — The Red River
Coushatta · elev 177 ft
- 3F3 — C E 'Rusty' Williams
Mansfield · elev 324 ft
- KDRI — Beauregard Regional
De Ridder · elev 202 ft
- 0R5 — David G Joyce
Winnfield · elev 146 ft
- KAEX — Alexandria International
Alexandria · elev 88 ft
- 5F5 — Bluebird Hill
Keithville · elev 180 ft
Frequently asked questions
How high does density altitude get at 3R4 in summer?
On a typical August afternoon — around 92 °F at the nearest NOAA normals station — density altitude at Hart reaches roughly 2,492 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 3R4 on an average day?
It swings with the seasons: from roughly −408 ft at the coldest month's average temperature to about 1,864 ft at the warmest month's — all from a constant field elevation of 319 ft. The month-by-month table above carries the full year.
What is the field elevation of Hart?
319 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 3R4 (FAA), in Many, Louisiana.