Huntingdon, Tennessee · field elev 497 ft
Density Altitude at Sgt Lee Russell Carroll County (KHZD)
Sgt Lee Russell Carroll County sits at 497 ft, and even a typical July afternoon (89 °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 | 37.6 | −808 ft | 47.0 | −167 ft |
| February | 41.2 | −561 ft | 51.8 | 156 ft |
| March | 49.7 | 15 ft | 61.1 | 769 ft |
| April | 59.2 | 645 ft | 71.3 | 1,427 ft |
| May | 68.2 | 1,229 ft | 79.1 | 1,919 ft |
| June | 76.0 | 1,725 ft | 86.3 | 2,366 ft |
| July | 79.3 | 1,932 ft | 89.2 | 2,544 ft |
| August | 78.1 | 1,857 ft | 88.8 | 2,519 ft |
| September | 71.2 | 1,420 ft | 83.1 | 2,168 ft |
| October | 59.8 | 684 ft | 72.2 | 1,484 ft |
| November | 48.5 | −66 ft | 59.8 | 684 ft |
| December | 40.6 | −602 ft | 50.1 | 42 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 KHZD
DENSITY ALTITUDE
Field elevation 497 ft — the air behaves like 2,532 ft.
- PRESSURE ALT
- 498 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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Frequently asked questions
How high does density altitude get at KHZD in summer?
On a typical July afternoon — around 89 °F at the nearest NOAA normals station — density altitude at Sgt Lee Russell Carroll County 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 KHZD on an average day?
It swings with the seasons: from roughly −808 ft at the coldest month's average temperature to about 1,932 ft at the warmest month's — all from a constant field elevation of 497 ft. The month-by-month table above carries the full year.
What is the field elevation of Sgt Lee Russell Carroll County?
497 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KHZD (ICAO) / HZD (FAA), in Huntingdon, Tennessee.