Decatur, Texas · field elev 883 ft
Density Altitude at Heritage Creek Airstrip (58T)
Heritage Creek Airstrip sits at 883 ft, and even a typical July afternoon (95 °F) only lifts density altitude to about 3,389 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 | 44.7 | 157 ft | 56.2 | 924 ft |
| February | 48.3 | 400 ft | 60.1 | 1,180 ft |
| March | 56.2 | 924 ft | 68.1 | 1,696 ft |
| April | 64.1 | 1,439 ft | 75.7 | 2,178 ft |
| May | 72.5 | 1,976 ft | 82.7 | 2,615 ft |
| June | 80.6 | 2,485 ft | 90.8 | 3,111 ft |
| July | 84.7 | 2,738 ft | 95.4 | 3,389 ft |
| August | 84.1 | 2,701 ft | 94.9 | 3,359 ft |
| September | 76.7 | 2,241 ft | 88.5 | 2,971 ft |
| October | 66.2 | 1,575 ft | 78.6 | 2,360 ft |
| November | 55.0 | 845 ft | 66.9 | 1,619 ft |
| December | 46.6 | 285 ft | 58.0 | 1,042 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 58T
DENSITY ALTITUDE
Field elevation 883 ft — the air behaves like 3,365 ft.
- PRESSURE ALT
- 884 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
- T76 — Rhome Meadows
Rhome · elev 900 ft
- 70T — Fairview
Rhome · elev 915 ft
- 35X — Triple-Ace Field
Decatur · elev 1,010 ft
- 76T — Bishop
Decatur · elev 888 ft
- 09T — Lazy G Bar Ranch
Decatur · elev 931 ft
- KLUD — Decatur Municipal
Decatur · elev 1,047 ft
- 16X — Propwash
Justin · elev 804 ft
- 3T6 — Clark
Justin · elev 705 ft
Frequently asked questions
How high does density altitude get at 58T in summer?
On a typical July afternoon — around 95 °F at the nearest NOAA normals station — density altitude at Heritage Creek Airstrip reaches roughly 3,389 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 58T on an average day?
It swings with the seasons: from roughly 157 ft at the coldest month's average temperature to about 2,738 ft at the warmest month's — all from a constant field elevation of 883 ft. The month-by-month table above carries the full year.
What is the field elevation of Heritage Creek Airstrip?
883 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 58T (FAA), in Decatur, Texas.