Hernando, Mississippi · field elev 262 ft
Density Altitude at Eagles Ridge (MS9)
Eagles Ridge sits at 262 ft, and even a typical August afternoon (90 °F) only lifts density altitude to about 2,325 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 | 40.0 | −936 ft | 49.7 | −276 ft |
| February | 43.7 | −682 ft | 53.9 | 5 ft |
| March | 52.0 | −122 ft | 62.9 | 597 ft |
| April | 61.2 | 486 ft | 72.4 | 1,208 ft |
| May | 69.9 | 1,049 ft | 80.3 | 1,707 ft |
| June | 77.4 | 1,525 ft | 87.5 | 2,153 ft |
| July | 80.4 | 1,713 ft | 90.1 | 2,313 ft |
| August | 79.8 | 1,676 ft | 90.3 | 2,325 ft |
| September | 73.7 | 1,291 ft | 85.1 | 2,005 ft |
| October | 62.2 | 551 ft | 74.0 | 1,310 ft |
| November | 50.7 | −209 ft | 61.6 | 512 ft |
| December | 42.9 | −737 ft | 52.0 | −122 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 MS9
DENSITY ALTITUDE
Field elevation 262 ft — the air behaves like 2,307 ft.
- PRESSURE ALT
- 263 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
- H75 — Hernando Village Airpark
Hernando · elev 242 ft
- KOLV — Olive Branch/Taylor Field
Olive Branch · elev 402 ft
- M41 — Holly Springs-Marshall County
Holly Springs · elev 551 ft
- KUTA — Tunica Municipal
Tunica · elev 194 ft
- 30M — Ralph M Sharpe
Tunica · elev 195 ft
- KPMU — Panola County
Batesville · elev 221 ft
- KUOX — University-Oxford
Oxford · elev 452 ft
- KMMS — Selfs
Marks · elev 162 ft
Frequently asked questions
How high does density altitude get at MS9 in summer?
On a typical August afternoon — around 90 °F at the nearest NOAA normals station — density altitude at Eagles Ridge reaches roughly 2,325 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 MS9 on an average day?
It swings with the seasons: from roughly −936 ft at the coldest month's average temperature to about 1,713 ft at the warmest month's — all from a constant field elevation of 262 ft. The month-by-month table above carries the full year.
What is the field elevation of Eagles Ridge?
262 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is MS9 (FAA), in Hernando, Mississippi.