Whitesboro, Texas · field elev 760 ft
Density Altitude at Flying H Ranch (T29)
Flying H Ranch sits at 760 ft, and even a typical August afternoon (94 °F) only lifts density altitude to about 3,173 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 | 42.2 | −166 ft | 52.6 | 534 ft |
| February | 46.5 | 126 ft | 57.6 | 864 ft |
| March | 54.2 | 640 ft | 65.5 | 1,378 ft |
| April | 62.2 | 1,165 ft | 73.5 | 1,889 ft |
| May | 70.0 | 1,667 ft | 80.0 | 2,297 ft |
| June | 78.6 | 2,210 ft | 88.5 | 2,821 ft |
| July | 83.1 | 2,489 ft | 93.5 | 3,125 ft |
| August | 83.3 | 2,502 ft | 94.3 | 3,173 ft |
| September | 75.9 | 2,040 ft | 86.6 | 2,705 ft |
| October | 64.9 | 1,340 ft | 76.0 | 2,047 ft |
| November | 53.1 | 567 ft | 63.5 | 1,249 ft |
| December | 44.3 | −23 ft | 54.5 | 660 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 T29
DENSITY ALTITUDE
Field elevation 760 ft — the air behaves like 3,155 ft.
- PRESSURE ALT
- 761 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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- KGYI — North Texas Regional/Perrin Field
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- T47 — Finney Field
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Frequently asked questions
How high does density altitude get at T29 in summer?
On a typical August afternoon — around 94 °F at the nearest NOAA normals station — density altitude at Flying H Ranch reaches roughly 3,173 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 T29 on an average day?
It swings with the seasons: from roughly −166 ft at the coldest month's average temperature to about 2,502 ft at the warmest month's — all from a constant field elevation of 760 ft. The month-by-month table above carries the full year.
What is the field elevation of Flying H Ranch?
760 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is T29 (FAA), in Whitesboro, Texas.