Baytown, Texas · field elev 33 ft
Density Altitude at Rwj Airpark (54T)
Rwj Airpark sits at 33 ft, and even a typical August afternoon (92 °F) only lifts density altitude to about 2,120 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 | 52.4 | −379 ft | 61.6 | 230 ft |
| February | 56.2 | −126 ft | 65.7 | 497 ft |
| March | 62.1 | 262 ft | 71.3 | 857 ft |
| April | 67.8 | 632 ft | 76.7 | 1,200 ft |
| May | 74.9 | 1,086 ft | 83.2 | 1,608 ft |
| June | 80.8 | 1,458 ft | 88.7 | 1,948 ft |
| July | 82.9 | 1,589 ft | 90.7 | 2,071 ft |
| August | 82.9 | 1,589 ft | 91.5 | 2,120 ft |
| September | 78.7 | 1,326 ft | 87.5 | 1,874 ft |
| October | 70.5 | 806 ft | 80.9 | 1,464 ft |
| November | 61.1 | 197 ft | 71.5 | 870 ft |
| December | 54.2 | −259 ft | 63.8 | 373 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 54T
DENSITY ALTITUDE
Field elevation 33 ft — the air behaves like 2,150 ft.
- PRESSURE ALT
- 34 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
- KHPY — Baytown
Baytown · elev 34 ft
- T00 — Chambers County
Anahuac · elev 21 ft
- T41 — La Porte Municipal
La Porte · elev 25 ft
- KEFD — Ellington
Houston · elev 33 ft
- T78 — Liberty Municipal
Liberty · elev 70 ft
- T90 — Chambers County/Winnie Stowell
Winnie/Stowell · elev 24 ft
- KHOU — William P Hobby
Houston · elev 46 ft
- KLVJ — Pearland Regional
Houston · elev 44 ft
Frequently asked questions
How high does density altitude get at 54T in summer?
On a typical August afternoon — around 92 °F at the nearest NOAA normals station — density altitude at Rwj Airpark reaches roughly 2,120 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 54T on an average day?
It swings with the seasons: from roughly −379 ft at the coldest month's average temperature to about 1,589 ft at the warmest month's — all from a constant field elevation of 33 ft. The month-by-month table above carries the full year.
What is the field elevation of Rwj Airpark?
33 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 54T (FAA), in Baytown, Texas.