Atlanta, Texas · field elev 280 ft
Density Altitude at Hall-Miller Municipal (KATA)
Hall-Miller Municipal sits at 280 ft, and even a typical August afternoon (95 °F) only lifts density altitude to about 2,614 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 | 44.6 | −599 ft | 56.2 | 179 ft |
| February | 48.3 | −348 ft | 60.1 | 436 ft |
| March | 56.0 | 166 ft | 68.7 | 994 ft |
| April | 63.4 | 651 ft | 76.1 | 1,465 ft |
| May | 71.8 | 1,192 ft | 83.2 | 1,910 ft |
| June | 79.6 | 1,685 ft | 90.6 | 2,365 ft |
| July | 83.1 | 1,903 ft | 94.4 | 2,596 ft |
| August | 82.9 | 1,891 ft | 94.7 | 2,614 ft |
| September | 76.2 | 1,471 ft | 88.4 | 2,231 ft |
| October | 65.0 | 755 ft | 78.0 | 1,585 ft |
| November | 54.2 | 47 ft | 66.2 | 833 ft |
| December | 47.0 | −436 ft | 58.3 | 318 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 KATA
DENSITY ALTITUDE
Field elevation 280 ft — the air behaves like 2,633 ft.
- PRESSURE ALT
- 281 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
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- 8F5 — Greater Morris County
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- KASL — Harrison County
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- KOSA — Mount Pleasant Regional
Mount Pleasant · elev 364 ft
- KJXI — Fox Stephens Field/Gilmer Municipal
Gilmer · elev 415 ft
- KGGG — East Texas Regional
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- 07F — Gladewater Municipal
Gladewater · elev 297 ft
Frequently asked questions
How high does density altitude get at KATA in summer?
On a typical August afternoon — around 95 °F at the nearest NOAA normals station — density altitude at Hall-Miller Municipal reaches roughly 2,614 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 KATA on an average day?
It swings with the seasons: from roughly −599 ft at the coldest month's average temperature to about 1,903 ft at the warmest month's — all from a constant field elevation of 280 ft. The month-by-month table above carries the full year.
What is the field elevation of Hall-Miller Municipal?
280 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KATA (ICAO) / ATA (FAA), in Atlanta, Texas.