Ahoskie, North Carolina · field elev 67 ft
Density Altitude at Tri-County At Henry Joyner Field (KASJ)
Tri-County At Henry Joyner Field sits at 67 ft, and even a typical July afternoon (89 °F) only lifts density altitude to about 2,014 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 | 42.1 | −1,034 ft | 50.8 | −444 ft |
| February | 44.8 | −850 ft | 54.7 | −184 ft |
| March | 51.4 | −404 ft | 62.1 | 304 ft |
| April | 61.0 | 232 ft | 72.3 | 963 ft |
| May | 68.7 | 732 ft | 78.9 | 1,381 ft |
| June | 76.4 | 1,223 ft | 86.1 | 1,829 ft |
| July | 79.6 | 1,424 ft | 89.1 | 2,014 ft |
| August | 78.2 | 1,337 ft | 87.4 | 1,909 ft |
| September | 72.5 | 975 ft | 81.8 | 1,562 ft |
| October | 62.0 | 298 ft | 72.4 | 969 ft |
| November | 51.9 | −370 ft | 62.1 | 304 ft |
| December | 44.8 | −850 ft | 53.7 | −250 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 KASJ
DENSITY ALTITUDE
Field elevation 67 ft — the air behaves like 2,008 ft.
- PRESSURE ALT
- 68 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 North Carolina fields
- KIXA — Halifax/Northampton Regional
Roanoke Rapids · elev 144 ft
- KMCZ — Martin County
Williamston · elev 75 ft
- KETC — Tarboro-Edgecombe
Tarboro · elev 53 ft
- KEDE — Northeastern Regional
Edenton · elev 19 ft
- KPMZ — Plymouth Municipal
Plymouth · elev 36 ft
- KPGV — Pitt-Greenville
Greenville · elev 26 ft
- 7NC — Donald'S Air Park Inc
Plymouth · elev 18 ft
- KRWI — Rocky Mount/Wilson Regional
Rocky Mount · elev 158 ft
Frequently asked questions
How high does density altitude get at KASJ in summer?
On a typical July afternoon — around 89 °F at the nearest NOAA normals station — density altitude at Tri-County At Henry Joyner Field reaches roughly 2,014 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 KASJ on an average day?
It swings with the seasons: from roughly −1,034 ft at the coldest month's average temperature to about 1,424 ft at the warmest month's — all from a constant field elevation of 67 ft. The month-by-month table above carries the full year.
What is the field elevation of Tri-County At Henry Joyner Field?
67 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KASJ (ICAO) / ASJ (FAA), in Ahoskie, North Carolina.