Brady, Texas · field elev 1,827 ft
Density Altitude at Curtis Field (KBBD)
Curtis Field sits at 1,827 ft, and even a typical August afternoon (94 °F) only lifts density altitude to about 4,432 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 | 46.9 | 1,475 ft | 58.4 | 2,232 ft |
| February | 50.6 | 1,721 ft | 62.4 | 2,491 ft |
| March | 58.0 | 2,206 ft | 69.7 | 2,956 ft |
| April | 65.2 | 2,670 ft | 77.2 | 3,426 ft |
| May | 73.1 | 3,170 ft | 83.6 | 3,821 ft |
| June | 79.6 | 3,575 ft | 90.0 | 4,210 ft |
| July | 82.5 | 3,754 ft | 93.2 | 4,402 ft |
| August | 82.7 | 3,766 ft | 93.7 | 4,432 ft |
| September | 76.0 | 3,352 ft | 86.8 | 4,016 ft |
| October | 66.5 | 2,753 ft | 78.4 | 3,501 ft |
| November | 56.1 | 2,083 ft | 67.4 | 2,810 ft |
| December | 48.2 | 1,562 ft | 59.6 | 2,310 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 KBBD
DENSITY ALTITUDE
Field elevation 1,827 ft — the air behaves like 4,450 ft.
- PRESSURE ALT
- 1,828 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
- T92 — Mason County
Mason · elev 1,514 ft
- T50 — Menard County
Menard · elev 1,933 ft
- 81R — San Saba County Municipal
San Saba · elev 1,255 ft
- T37 — Goldthwaite Municipal
Goldthwaite · elev 1,458 ft
- KCOM — Coleman Municipal
Coleman · elev 1,697 ft
- KBWD — Brownwood Regional
Brownwood · elev 1,387 ft
- KAQO — Llano Municipal
Llano · elev 1,102 ft
- E30 — Bruce Field
Ballinger · elev 1,739 ft
Frequently asked questions
How high does density altitude get at KBBD in summer?
On a typical August afternoon — around 94 °F at the nearest NOAA normals station — density altitude at Curtis Field reaches roughly 4,432 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 KBBD on an average day?
It swings with the seasons: from roughly 1,475 ft at the coldest month's average temperature to about 3,766 ft at the warmest month's — all from a constant field elevation of 1,827 ft. The month-by-month table above carries the full year.
What is the field elevation of Curtis Field?
1,827 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KBBD (ICAO) / BBD (FAA), in Brady, Texas.