Pulaski, Tennessee · field elev 689 ft
Density Altitude at Abernathy Field (KGZS)
Abernathy Field sits at 689 ft, and even a typical July afternoon (88 °F) only lifts density altitude to about 2,710 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 | 36.8 | −624 ft | 48.2 | 152 ft |
| February | 40.3 | −384 ft | 52.5 | 440 ft |
| March | 48.2 | 152 ft | 61.2 | 1,012 ft |
| April | 57.1 | 744 ft | 70.9 | 1,637 ft |
| May | 65.3 | 1,278 ft | 78.0 | 2,085 ft |
| June | 73.2 | 1,783 ft | 84.9 | 2,514 ft |
| July | 76.8 | 2,010 ft | 88.1 | 2,710 ft |
| August | 75.8 | 1,947 ft | 87.8 | 2,692 ft |
| September | 69.7 | 1,560 ft | 83.0 | 2,397 ft |
| October | 58.2 | 816 ft | 72.5 | 1,739 ft |
| November | 47.0 | 72 ft | 60.8 | 986 ft |
| December | 39.7 | −425 ft | 51.3 | 360 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 KGZS
DENSITY ALTITUDE
Field elevation 689 ft — the air behaves like 2,704 ft.
- PRESSURE ALT
- 690 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 Tennessee fields
- 2M2 — Lawrenceburg/Lawrence County (Fleeman Field)
Lawrenceburg · elev 937 ft
- KLUG — Ellington
Lewisburg · elev 718 ft
- KMRC — Maury County Regional
Columbia/Mount Pleasant · elev 681 ft
- KFYM — Fayetteville Municipal
Fayetteville · elev 984 ft
- 0M3 — Paul Bridges Field
Hohenwald · elev 972 ft
- KSYI — Bomar Field/Shelbyville Municipal
Shelbyville · elev 800 ft
- KTHA — Tullahoma Regional/Wm Northern Field
Tullahoma · elev 1,084 ft
- KGHM — Centerville Municipal
Centerville · elev 765 ft
Frequently asked questions
How high does density altitude get at KGZS in summer?
On a typical July afternoon — around 88 °F at the nearest NOAA normals station — density altitude at Abernathy Field reaches roughly 2,710 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 KGZS on an average day?
It swings with the seasons: from roughly −624 ft at the coldest month's average temperature to about 2,010 ft at the warmest month's — all from a constant field elevation of 689 ft. The month-by-month table above carries the full year.
What is the field elevation of Abernathy Field?
689 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KGZS (ICAO) / GZS (FAA), in Pulaski, Tennessee.