Sylacauga, Alabama · field elev 569 ft
Density Altitude at Merkel Field Sylacauga Municipal (KSCD)
Merkel Field Sylacauga Municipal sits at 569 ft, and even a typical July afternoon (90 °F) only lifts density altitude to about 2,699 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 | 42.9 | −355 ft | 54.5 | 424 ft |
| February | 46.5 | −111 ft | 58.7 | 701 ft |
| March | 54.0 | 391 ft | 66.7 | 1,221 ft |
| April | 61.0 | 851 ft | 74.6 | 1,724 ft |
| May | 69.1 | 1,375 ft | 81.3 | 2,144 ft |
| June | 76.2 | 1,825 ft | 87.3 | 2,515 ft |
| July | 79.4 | 2,026 ft | 90.3 | 2,699 ft |
| August | 78.4 | 1,963 ft | 89.4 | 2,644 ft |
| September | 73.2 | 1,636 ft | 85.0 | 2,374 ft |
| October | 62.2 | 930 ft | 75.6 | 1,787 ft |
| November | 51.7 | 238 ft | 65.0 | 1,111 ft |
| December | 45.3 | −192 ft | 56.8 | 576 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 KSCD
DENSITY ALTITUDE
Field elevation 569 ft — the air behaves like 2,680 ft.
- PRESSURE ALT
- 570 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
- KALX — Thomas C Russell Field
Alexander City · elev 686 ft
- KPLR — St Clair County
Pell City · elev 485 ft
- KEET — Shelby County
Alabaster · elev 586 ft
- 02A — Chilton County
Clanton · elev 585 ft
- 26A — Ashland/Lineville
Ashland/Lineville · elev 1,065 ft
- KASN — Talladega Municipal
Talladega · elev 529 ft
- KEKY — Bessemer Ntl
Bessemer · elev 700 ft
- KBHM — Birmingham-Shuttlesworth International
Birmingham · elev 650 ft
Frequently asked questions
How high does density altitude get at KSCD in summer?
On a typical July afternoon — around 90 °F at the nearest NOAA normals station — density altitude at Merkel Field Sylacauga Municipal reaches roughly 2,699 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 KSCD on an average day?
It swings with the seasons: from roughly −355 ft at the coldest month's average temperature to about 2,026 ft at the warmest month's — all from a constant field elevation of 569 ft. The month-by-month table above carries the full year.
What is the field elevation of Merkel Field Sylacauga Municipal?
569 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KSCD (ICAO) / SCD (FAA), in Sylacauga, Alabama.