Dallas, Texas · field elev 589 ft
Density Altitude at Mckinney Ntl (KTKI)
Mckinney Ntl sits at 589 ft, and even a typical August afternoon (96 °F) only lifts density altitude to about 3,038 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 | 44.7 | −208 ft | 55.5 | 515 ft |
| February | 48.9 | 75 ft | 59.7 | 791 ft |
| March | 56.5 | 581 ft | 67.5 | 1,297 ft |
| April | 63.9 | 1,064 ft | 74.7 | 1,755 ft |
| May | 72.6 | 1,622 ft | 82.8 | 2,262 ft |
| June | 80.5 | 2,119 ft | 90.7 | 2,747 ft |
| July | 84.4 | 2,361 ft | 95.0 | 3,008 ft |
| August | 84.3 | 2,355 ft | 95.5 | 3,038 ft |
| September | 76.9 | 1,894 ft | 88.3 | 2,601 ft |
| October | 66.0 | 1,200 ft | 77.9 | 1,957 ft |
| November | 54.9 | 475 ft | 66.2 | 1,213 ft |
| December | 46.5 | −86 ft | 57.1 | 620 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 KTKI
DENSITY ALTITUDE
Field elevation 589 ft — the air behaves like 3,068 ft.
- PRESSURE ALT
- 590 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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- F46 — Ralph M Hall/Rockwall Municipal
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- KADS — Addison
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- 7F3 — Caddo Mills Municipal
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- 30F — Lakeview
Lake Dallas · elev 535 ft
Frequently asked questions
How high does density altitude get at KTKI in summer?
On a typical August afternoon — around 96 °F at the nearest NOAA normals station — density altitude at Mckinney Ntl reaches roughly 3,038 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 KTKI on an average day?
It swings with the seasons: from roughly −208 ft at the coldest month's average temperature to about 2,361 ft at the warmest month's — all from a constant field elevation of 589 ft. The month-by-month table above carries the full year.
What is the field elevation of Mckinney Ntl?
589 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KTKI (ICAO) / TKI (FAA), in Dallas, Texas.