Alabaster, Alabama · field elev 586 ft
Density Altitude at Shelby County (KEET)
Shelby County sits at 586 ft, and even a typical July afternoon (91 °F) only lifts density altitude to about 2,768 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 | 45.7 | −144 ft | 55.7 | 524 ft |
| February | 49.9 | 139 ft | 60.5 | 840 ft |
| March | 57.0 | 610 ft | 67.9 | 1,319 ft |
| April | 64.0 | 1,067 ft | 75.4 | 1,796 ft |
| May | 71.8 | 1,568 ft | 82.5 | 2,240 ft |
| June | 78.5 | 1,990 ft | 88.3 | 2,597 ft |
| July | 81.3 | 2,165 ft | 91.1 | 2,768 ft |
| August | 80.9 | 2,140 ft | 90.8 | 2,750 ft |
| September | 75.8 | 1,821 ft | 86.1 | 2,462 ft |
| October | 65.1 | 1,138 ft | 76.3 | 1,852 ft |
| November | 54.6 | 452 ft | 66.0 | 1,196 ft |
| December | 48.2 | 25 ft | 58.0 | 676 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 KEET
DENSITY ALTITUDE
Field elevation 586 ft — the air behaves like 2,762 ft.
- PRESSURE ALT
- 587 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 Alabama fields
- KEKY — Bessemer Ntl
Bessemer · elev 700 ft
- 0A8 — Bibb County
Centreville · elev 251 ft
- 02A — Chilton County
Clanton · elev 585 ft
- KBHM — Birmingham-Shuttlesworth International
Birmingham · elev 650 ft
- KSCD — Merkel Field Sylacauga Municipal
Sylacauga · elev 569 ft
- KPLR — St Clair County
Pell City · elev 485 ft
- KTCL — Tuscaloosa Ntl
Tuscaloosa · elev 170 ft
- KASN — Talladega Municipal
Talladega · elev 529 ft
Frequently asked questions
How high does density altitude get at KEET in summer?
On a typical July afternoon — around 91 °F at the nearest NOAA normals station — density altitude at Shelby County reaches roughly 2,768 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 KEET on an average day?
It swings with the seasons: from roughly −144 ft at the coldest month's average temperature to about 2,165 ft at the warmest month's — all from a constant field elevation of 586 ft. The month-by-month table above carries the full year.
What is the field elevation of Shelby County?
586 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KEET (ICAO) / EET (FAA), in Alabaster, Alabama.