Ballinger, Texas · field elev 1,739 ft
Density Altitude at Bruce Field (E30)
Bruce Field sits at 1,739 ft, and even a typical July afternoon (96 °F) only lifts density altitude to about 4,433 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 | 45.1 | 1,246 ft | 59.0 | 2,163 ft |
| February | 49.2 | 1,519 ft | 63.1 | 2,428 ft |
| March | 56.9 | 2,026 ft | 70.5 | 2,899 ft |
| April | 65.1 | 2,556 ft | 79.4 | 3,455 ft |
| May | 73.3 | 3,075 ft | 85.9 | 3,854 ft |
| June | 80.3 | 3,511 ft | 92.2 | 4,236 ft |
| July | 83.5 | 3,708 ft | 95.5 | 4,433 ft |
| August | 83.1 | 3,683 ft | 95.1 | 4,409 ft |
| September | 76.2 | 3,257 ft | 88.2 | 3,994 ft |
| October | 66.0 | 2,613 ft | 79.4 | 3,455 ft |
| November | 54.7 | 1,882 ft | 68.0 | 2,741 ft |
| December | 46.4 | 1,333 ft | 59.9 | 2,221 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 E30
DENSITY ALTITUDE
Field elevation 1,739 ft — the air behaves like 4,463 ft.
- PRESSURE ALT
- 1,740 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
- 77F — Winters Municipal
Winters · elev 1,871 ft
- KCOM — Coleman Municipal
Coleman · elev 1,697 ft
- KSJT — San Angelo Regional/Mathis Field
San Angelo · elev 1,919 ft
- KBBD — Curtis Field
Brady · elev 1,827 ft
- T50 — Menard County
Menard · elev 1,933 ft
- KABI — Abilene Regional
Abilene · elev 1,791 ft
- KBWD — Brownwood Regional
Brownwood · elev 1,387 ft
- KSWW — Avenger Field
Sweetwater · elev 2,380 ft
Frequently asked questions
How high does density altitude get at E30 in summer?
On a typical July afternoon — around 96 °F at the nearest NOAA normals station — density altitude at Bruce Field reaches roughly 4,433 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 E30 on an average day?
It swings with the seasons: from roughly 1,246 ft at the coldest month's average temperature to about 3,708 ft at the warmest month's — all from a constant field elevation of 1,739 ft. The month-by-month table above carries the full year.
What is the field elevation of Bruce Field?
1,739 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is E30 (FAA), in Ballinger, Texas.