Dorchester, Texas · field elev 855 ft
Density Altitude at Txaerosport Aerodrome (X65)
Txaerosport Aerodrome sits at 855 ft, and even a typical August afternoon (93 °F) only lifts density altitude to about 3,192 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 | 43.2 | 21 ft | 52.6 | 652 ft |
| February | 47.1 | 284 ft | 57.1 | 949 ft |
| March | 55.1 | 817 ft | 65.2 | 1,476 ft |
| April | 62.7 | 1,314 ft | 72.6 | 1,948 ft |
| May | 70.8 | 1,834 ft | 80.0 | 2,413 ft |
| June | 78.9 | 2,344 ft | 88.1 | 2,913 ft |
| July | 83.0 | 2,599 ft | 92.5 | 3,180 ft |
| August | 82.8 | 2,587 ft | 92.7 | 3,192 ft |
| September | 75.8 | 2,150 ft | 85.4 | 2,747 ft |
| October | 65.2 | 1,476 ft | 75.3 | 2,119 ft |
| November | 53.7 | 725 ft | 63.3 | 1,353 ft |
| December | 45.1 | 149 ft | 54.2 | 758 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 X65
DENSITY ALTITUDE
Field elevation 855 ft — the air behaves like 3,210 ft.
- PRESSURE ALT
- 856 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 Texas fields
- T47 — Finney Field
Howe · elev 833 ft
- KSWI — Sherman Municipal
Sherman · elev 746 ft
- T80 — Bishop'S Landing
Celina · elev 750 ft
- KGYI — North Texas Regional/Perrin Field
Sherman/Denison · elev 749 ft
- 9S1 — Four Winds
Celina · elev 790 ft
- T32 — Sudden Stop
Collinsville · elev 720 ft
- T29 — Flying H Ranch
Whitesboro · elev 760 ft
- 3T0 — Cedar Mills
Gordonville · elev 640 ft
Frequently asked questions
How high does density altitude get at X65 in summer?
On a typical August afternoon — around 93 °F at the nearest NOAA normals station — density altitude at Txaerosport Aerodrome reaches roughly 3,192 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 X65 on an average day?
It swings with the seasons: from roughly 21 ft at the coldest month's average temperature to about 2,599 ft at the warmest month's — all from a constant field elevation of 855 ft. The month-by-month table above carries the full year.
What is the field elevation of Txaerosport Aerodrome?
855 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is X65 (FAA), in Dorchester, Texas.