Gordonville, Texas · field elev 640 ft
Density Altitude at Cedar Mills (3T0)
Cedar Mills sits at 640 ft, and even a typical August afternoon (93 °F) only lifts density altitude to about 2,931 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 | −247 ft | 52.6 | 386 ft |
| February | 47.1 | 18 ft | 57.1 | 683 ft |
| March | 55.1 | 552 ft | 65.2 | 1,211 ft |
| April | 62.7 | 1,049 ft | 72.6 | 1,685 ft |
| May | 70.8 | 1,570 ft | 80.0 | 2,150 ft |
| June | 78.9 | 2,082 ft | 88.1 | 2,651 ft |
| July | 83.0 | 2,337 ft | 92.5 | 2,919 ft |
| August | 82.8 | 2,324 ft | 92.7 | 2,931 ft |
| September | 75.8 | 1,887 ft | 85.4 | 2,485 ft |
| October | 65.2 | 1,211 ft | 75.3 | 1,856 ft |
| November | 53.7 | 459 ft | 63.3 | 1,088 ft |
| December | 45.1 | −118 ft | 54.2 | 492 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 3T0
DENSITY ALTITUDE
Field elevation 640 ft — the air behaves like 2,949 ft.
- PRESSURE ALT
- 641 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
- KGYI — North Texas Regional/Perrin Field
Sherman/Denison · elev 749 ft
- T29 — Flying H Ranch
Whitesboro · elev 760 ft
- T32 — Sudden Stop
Collinsville · elev 720 ft
- KSWI — Sherman Municipal
Sherman · elev 746 ft
- X65 — Txaerosport Aerodrome
Dorchester · elev 855 ft
- T47 — Finney Field
Howe · elev 833 ft
- KGLE — Gainesville Municipal
Gainesville · elev 846 ft
- 7T0 — Freedom Field
Lindsay · elev 885 ft
Frequently asked questions
How high does density altitude get at 3T0 in summer?
On a typical August afternoon — around 93 °F at the nearest NOAA normals station — density altitude at Cedar Mills reaches roughly 2,931 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 3T0 on an average day?
It swings with the seasons: from roughly −247 ft at the coldest month's average temperature to about 2,337 ft at the warmest month's — all from a constant field elevation of 640 ft. The month-by-month table above carries the full year.
What is the field elevation of Cedar Mills?
640 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 3T0 (FAA), in Gordonville, Texas.