Greene, New York · field elev 935 ft
Density Altitude at Greene (4N7)
Greene sits at 935 ft, and even a typical July afternoon (81 °F) only lifts density altitude to about 2,591 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 | 23.8 | −1,229 ft | 32.3 | −630 ft |
| February | 24.2 | −1,201 ft | 34.4 | −484 ft |
| March | 31.9 | −658 ft | 42.4 | 66 ft |
| April | 44.5 | 208 ft | 56.0 | 975 ft |
| May | 55.9 | 969 ft | 68.1 | 1,760 ft |
| June | 64.3 | 1,516 ft | 75.9 | 2,254 ft |
| July | 69.4 | 1,843 ft | 81.3 | 2,591 ft |
| August | 67.8 | 1,741 ft | 78.9 | 2,442 ft |
| September | 60.9 | 1,296 ft | 72.3 | 2,027 ft |
| October | 50.0 | 578 ft | 60.6 | 1,276 ft |
| November | 39.1 | −160 ft | 48.1 | 451 ft |
| December | 29.4 | −833 ft | 37.2 | −290 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 4N7
DENSITY ALTITUDE
Field elevation 935 ft — the air behaves like 2,573 ft.
- PRESSURE ALT
- 936 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 New York fields
- KBGM — Greater Binghamton/Edwin A Link Field
Binghamton · elev 1,636 ft
- N23 — Sidney Municipal
Sidney · elev 1,027 ft
- KCZG — Tri-Cities
Endicott · elev 833 ft
- KOIC — Lt Warren Eaton
Norwich · elev 1,024 ft
- N03 — Cortland County/Chase Field
Cortland · elev 1,197 ft
- KITH — Ithaca Tompkins International
Ithaca · elev 1,099 ft
- KVGC — Hamilton Municipal
Hamilton · elev 1,137 ft
- N66 — Albert S Nader Regional
Oneonta · elev 1,763 ft
Frequently asked questions
How high does density altitude get at 4N7 in summer?
On a typical July afternoon — around 81 °F at the nearest NOAA normals station — density altitude at Greene reaches roughly 2,591 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 4N7 on an average day?
It swings with the seasons: from roughly −1,229 ft at the coldest month's average temperature to about 1,843 ft at the warmest month's — all from a constant field elevation of 935 ft. The month-by-month table above carries the full year.
What is the field elevation of Greene?
935 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 4N7 (FAA), in Greene, New York.