Clinton, North Carolina · field elev 144 ft
Density Altitude at Clinton-Sampson County (KCTZ)
Clinton-Sampson County sits at 144 ft, and even a typical July afternoon (90 °F) only lifts density altitude to about 2,132 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 | 42.5 | −911 ft | 53.0 | −201 ft |
| February | 45.2 | −727 ft | 56.2 | 11 ft |
| March | 51.9 | −275 ft | 63.5 | 490 ft |
| April | 61.0 | 327 ft | 72.8 | 1,089 ft |
| May | 69.2 | 859 ft | 80.1 | 1,550 ft |
| June | 76.7 | 1,336 ft | 86.7 | 1,960 ft |
| July | 80.0 | 1,544 ft | 89.5 | 2,132 ft |
| August | 78.2 | 1,431 ft | 87.8 | 2,028 ft |
| September | 72.9 | 1,095 ft | 82.7 | 1,712 ft |
| October | 62.2 | 406 ft | 73.8 | 1,153 ft |
| November | 52.3 | −248 ft | 64.0 | 523 ft |
| December | 45.8 | −686 ft | 56.3 | 18 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 KCTZ
DENSITY ALTITUDE
Field elevation 144 ft — the air behaves like 2,163 ft.
- PRESSURE ALT
- 145 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
- KDPL — Duplin County
Kenansville · elev 137 ft
- W40 — Mount Olive Municipal
Mount Olive · elev 167 ft
- KACZ — Wallace-Pender
Wallace · elev 38 ft
- 2GC — Grays Creek
Fayetteville · elev 160 ft
- KEYF — Curtis L Brown Jr Field
Elizabethtown · elev 131 ft
- KFAY — Fayetteville Regional/Grannis Field
Fayetteville · elev 189 ft
- KHRJ — Harnett Regional Jetport
Erwin · elev 202 ft
- 3W6 — Bladenboro
Bladenboro · elev 116 ft
Frequently asked questions
How high does density altitude get at KCTZ in summer?
On a typical July afternoon — around 90 °F at the nearest NOAA normals station — density altitude at Clinton-Sampson County reaches roughly 2,132 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 KCTZ on an average day?
It swings with the seasons: from roughly −911 ft at the coldest month's average temperature to about 1,544 ft at the warmest month's — all from a constant field elevation of 144 ft. The month-by-month table above carries the full year.
What is the field elevation of Clinton-Sampson County?
144 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KCTZ (ICAO) / CTZ (FAA), in Clinton, North Carolina.