Troy, Alabama · field elev 397 ft
Density Altitude at Troy Municipal At N Kenneth Campbell Field (KTOI)
Troy Municipal At N Kenneth Campbell Field sits at 397 ft, and even a typical July afternoon (91 °F) only lifts density altitude to about 2,544 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 | 47.6 | −250 ft | 59.2 | 521 ft |
| February | 51.4 | 5 ft | 63.4 | 796 ft |
| March | 57.9 | 436 ft | 70.7 | 1,266 ft |
| April | 64.1 | 841 ft | 77.2 | 1,678 ft |
| May | 71.6 | 1,323 ft | 84.4 | 2,127 ft |
| June | 78.1 | 1,734 ft | 89.1 | 2,416 ft |
| July | 80.7 | 1,897 ft | 91.2 | 2,544 ft |
| August | 80.2 | 1,866 ft | 90.9 | 2,526 ft |
| September | 75.8 | 1,589 ft | 87.0 | 2,287 ft |
| October | 65.5 | 932 ft | 78.2 | 1,740 ft |
| November | 55.2 | 258 ft | 68.5 | 1,125 ft |
| December | 49.5 | −122 ft | 61.1 | 646 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 KTOI
DENSITY ALTITUDE
Field elevation 397 ft — the air behaves like 2,532 ft.
- PRESSURE ALT
- 398 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
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- 11A — Clayton Municipal
Clayton · elev 435 ft
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- 71J — Ozark/Blackwell Field
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- KMGM — Montgomery Regional (Dannelly Field)
Montgomery · elev 221 ft
- KEDN — Enterprise Municipal
Enterprise · elev 361 ft
Frequently asked questions
How high does density altitude get at KTOI in summer?
On a typical July afternoon — around 91 °F at the nearest NOAA normals station — density altitude at Troy Municipal At N Kenneth Campbell Field reaches roughly 2,544 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 KTOI on an average day?
It swings with the seasons: from roughly −250 ft at the coldest month's average temperature to about 1,897 ft at the warmest month's — all from a constant field elevation of 397 ft. The month-by-month table above carries the full year.
What is the field elevation of Troy Municipal At N Kenneth Campbell Field?
397 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KTOI (ICAO) / TOI (FAA), in Troy, Alabama.