Slidell, Texas · field elev 917 ft
Density Altitude at Cain (T28)
Cain sits at 917 ft, and even a typical July afternoon (95 °F) only lifts density altitude to about 3,430 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 | 199 ft | 56.2 | 966 ft |
| February | 48.3 | 442 ft | 60.1 | 1,222 ft |
| March | 56.2 | 966 ft | 68.1 | 1,738 ft |
| April | 64.1 | 1,481 ft | 75.7 | 2,220 ft |
| May | 72.5 | 2,018 ft | 82.7 | 2,656 ft |
| June | 80.6 | 2,526 ft | 90.8 | 3,152 ft |
| July | 84.7 | 2,780 ft | 95.4 | 3,430 ft |
| August | 84.1 | 2,743 ft | 94.9 | 3,400 ft |
| September | 76.7 | 2,283 ft | 88.5 | 3,012 ft |
| October | 66.2 | 1,616 ft | 78.6 | 2,401 ft |
| November | 55.0 | 887 ft | 66.9 | 1,661 ft |
| December | 46.6 | 327 ft | 58.0 | 1,084 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 T28
DENSITY ALTITUDE
Field elevation 917 ft — the air behaves like 3,406 ft.
- PRESSURE ALT
- 918 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
- 3TX — Akroville
Slidell · elev 895 ft
- 76T — Bishop
Decatur · elev 888 ft
- 09T — Lazy G Bar Ranch
Decatur · elev 931 ft
- E58 — Bird Dog Airfield
Krum · elev 895 ft
- 35X — Triple-Ace Field
Decatur · elev 1,010 ft
- T87 — Flying C
Sanger · elev 775 ft
- KLUD — Decatur Municipal
Decatur · elev 1,047 ft
- T38 — Bar V K
Bolivar · elev 765 ft
Frequently asked questions
How high does density altitude get at T28 in summer?
On a typical July afternoon — around 95 °F at the nearest NOAA normals station — density altitude at Cain reaches roughly 3,430 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 T28 on an average day?
It swings with the seasons: from roughly 199 ft at the coldest month's average temperature to about 2,780 ft at the warmest month's — all from a constant field elevation of 917 ft. The month-by-month table above carries the full year.
What is the field elevation of Cain?
917 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is T28 (FAA), in Slidell, Texas.