Ingleside, Texas · field elev 18 ft
Density Altitude at Ingleside Regional (KTFP)
Ingleside Regional sits at 18 ft, and even a typical August afternoon (89 °F) only lifts density altitude to about 1,930 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 | 56.4 | −131 ft | 62.3 | 257 ft |
| February | 59.3 | 60 ft | 64.9 | 426 ft |
| March | 65.1 | 439 ft | 70.1 | 762 ft |
| April | 71.2 | 832 ft | 75.8 | 1,125 ft |
| May | 77.3 | 1,220 ft | 81.4 | 1,477 ft |
| June | 82.5 | 1,546 ft | 86.8 | 1,813 ft |
| July | 83.8 | 1,627 ft | 88.0 | 1,887 ft |
| August | 84.3 | 1,658 ft | 88.7 | 1,930 ft |
| September | 81.6 | 1,490 ft | 86.5 | 1,794 ft |
| October | 76.0 | 1,138 ft | 81.2 | 1,465 ft |
| November | 66.3 | 517 ft | 71.8 | 871 ft |
| December | 59.2 | 54 ft | 65.3 | 452 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 KTFP
DENSITY ALTITUDE
Field elevation 18 ft — the air behaves like 1,948 ft.
- PRESSURE ALT
- 19 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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Bishop · elev 55 ft
Frequently asked questions
How high does density altitude get at KTFP in summer?
On a typical August afternoon — around 89 °F at the nearest NOAA normals station — density altitude at Ingleside Regional reaches roughly 1,930 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 KTFP on an average day?
It swings with the seasons: from roughly −131 ft at the coldest month's average temperature to about 1,658 ft at the warmest month's — all from a constant field elevation of 18 ft. The month-by-month table above carries the full year.
What is the field elevation of Ingleside Regional?
18 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KTFP (ICAO) / TFP (FAA), in Ingleside, Texas.