Mason, Texas · field elev 1,514 ft
Density Altitude at Mason County (T92)
Mason County sits at 1,514 ft, and even a typical August afternoon (96 °F) only lifts density altitude to about 4,178 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 | 47.3 | 1,114 ft | 61.1 | 2,022 ft |
| February | 51.4 | 1,387 ft | 65.3 | 2,292 ft |
| March | 58.1 | 1,827 ft | 71.5 | 2,686 ft |
| April | 65.6 | 2,311 ft | 79.5 | 3,187 ft |
| May | 73.6 | 2,819 ft | 85.5 | 3,556 ft |
| June | 80.3 | 3,236 ft | 92.5 | 3,981 ft |
| July | 83.1 | 3,409 ft | 95.5 | 4,161 ft |
| August | 83.1 | 3,409 ft | 95.8 | 4,178 ft |
| September | 76.8 | 3,019 ft | 89.7 | 3,812 ft |
| October | 66.9 | 2,395 ft | 80.6 | 3,255 ft |
| November | 56.7 | 1,736 ft | 69.9 | 2,585 ft |
| December | 49.3 | 1,248 ft | 63.0 | 2,145 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 T92
DENSITY ALTITUDE
Field elevation 1,514 ft — the air behaves like 4,190 ft.
- PRESSURE ALT
- 1,515 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
- KAQO — Llano Municipal
Llano · elev 1,102 ft
- KBBD — Curtis Field
Brady · elev 1,827 ft
- T82 — Gillespie County
Fredericksburg · elev 1,695 ft
- KJCT — Kimble County
Junction · elev 1,754 ft
- T50 — Menard County
Menard · elev 1,933 ft
- 81R — San Saba County Municipal
San Saba · elev 1,255 ft
- 2KL — Sunrise Beach
Sunrise Beach Village · elev 854 ft
- 2G5 — Granite Shoals/ Bob Sylvester Airpark
Granite Shoals · elev 860 ft
Frequently asked questions
How high does density altitude get at T92 in summer?
On a typical August afternoon — around 96 °F at the nearest NOAA normals station — density altitude at Mason County reaches roughly 4,178 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 T92 on an average day?
It swings with the seasons: from roughly 1,114 ft at the coldest month's average temperature to about 3,409 ft at the warmest month's — all from a constant field elevation of 1,514 ft. The month-by-month table above carries the full year.
What is the field elevation of Mason County?
1,514 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is T92 (FAA), in Mason, Texas.