New Madrid, Missouri · field elev 296 ft
Density Altitude at County Meml (KEIW)
County Meml sits at 296 ft, and even a typical July afternoon (90 °F) only lifts density altitude to about 2,366 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 | 35.6 | −1,198 ft | 43.8 | −633 ft |
| February | 39.5 | −928 ft | 48.6 | −308 ft |
| March | 48.4 | −322 ft | 58.2 | 331 ft |
| April | 59.2 | 397 ft | 69.1 | 1,039 ft |
| May | 68.8 | 1,020 ft | 78.8 | 1,654 ft |
| June | 77.3 | 1,560 ft | 87.2 | 2,176 ft |
| July | 80.5 | 1,761 ft | 90.3 | 2,366 ft |
| August | 78.7 | 1,648 ft | 89.2 | 2,299 ft |
| September | 71.4 | 1,186 ft | 82.4 | 1,879 ft |
| October | 60.2 | 462 ft | 71.8 | 1,212 ft |
| November | 48.0 | −349 ft | 57.8 | 305 ft |
| December | 39.0 | −962 ft | 47.1 | −409 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 KEIW
DENSITY ALTITUDE
Field elevation 296 ft — the air behaves like 2,348 ft.
- PRESSURE ALT
- 297 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 Missouri fields
- M85 — Gideon Meml
Gideon · elev 269 ft
- KMAW — Malden Regional
Malden · elev 295 ft
- M28 — Mid Continent
Hayti · elev 268 ft
- 34M — Campbell Municipal
Campbell · elev 284 ft
- KCHQ — Mississippi County
Charleston · elev 313 ft
- KDXE — Dexter Municipal
Dexter · elev 304 ft
- KSIK — Sikeston Meml Municipal
Sikeston · elev 315 ft
- M05 — Caruthersville Meml
Caruthersville · elev 268 ft
Frequently asked questions
How high does density altitude get at KEIW in summer?
On a typical July afternoon — around 90 °F at the nearest NOAA normals station — density altitude at County Meml reaches roughly 2,366 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 KEIW on an average day?
It swings with the seasons: from roughly −1,198 ft at the coldest month's average temperature to about 1,761 ft at the warmest month's — all from a constant field elevation of 296 ft. The month-by-month table above carries the full year.
What is the field elevation of County Meml?
296 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KEIW (ICAO) / EIW (FAA), in New Madrid, Missouri.