Fairhope, Alabama · field elev 91 ft
Density Altitude at H L Sonny Callahan (KCQF)
H L Sonny Callahan sits at 91 ft, and even a typical August afternoon (89 °F) only lifts density altitude to about 2,019 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 | 50.1 | −461 ft | 60.9 | 255 ft |
| February | 54.0 | −200 ft | 65.0 | 523 ft |
| March | 58.7 | 111 ft | 70.3 | 864 ft |
| April | 64.7 | 503 ft | 76.1 | 1,233 ft |
| May | 72.1 | 979 ft | 83.1 | 1,672 ft |
| June | 78.1 | 1,360 ft | 86.8 | 1,902 ft |
| July | 80.3 | 1,498 ft | 88.6 | 2,013 ft |
| August | 79.8 | 1,466 ft | 88.7 | 2,019 ft |
| September | 76.3 | 1,246 ft | 86.2 | 1,865 ft |
| October | 67.4 | 678 ft | 78.6 | 1,391 ft |
| November | 57.7 | 45 ft | 69.6 | 819 ft |
| December | 52.8 | −280 ft | 63.5 | 425 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 KCQF
DENSITY ALTITUDE
Field elevation 91 ft — the air behaves like 2,037 ft.
- PRESSURE ALT
- 92 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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- KJKA — Gulf Shores International/Jack Edwards Field
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- 5R7 — Roy E Ray
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- 4R9 — Jeremiah Denton
Dauphin Island · elev 5 ft
- 2R5 — St Elmo
St Elmo · elev 132 ft
- KMOB — Mobile Regional
Mobile · elev 219 ft
- 1R8 — Bay Minette Municipal
Bay Minette · elev 248 ft
Frequently asked questions
How high does density altitude get at KCQF in summer?
On a typical August afternoon — around 89 °F at the nearest NOAA normals station — density altitude at H L Sonny Callahan reaches roughly 2,019 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 KCQF on an average day?
It swings with the seasons: from roughly −461 ft at the coldest month's average temperature to about 1,498 ft at the warmest month's — all from a constant field elevation of 91 ft. The month-by-month table above carries the full year.
What is the field elevation of H L Sonny Callahan?
91 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KCQF (ICAO) / CQF (FAA), in Fairhope, Alabama.