Schroon Lake, New York · field elev 834 ft
Density Altitude at Schroon Lake (4B7)
Schroon Lake sits at 834 ft, and even a typical July afternoon (77 °F) only lifts density altitude to about 2,200 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 | 20.3 | −1,607 ft | 28.5 | −1,023 ft |
| February | 22.5 | −1,449 ft | 31.7 | −798 ft |
| March | 30.9 | −854 ft | 40.0 | −224 ft |
| April | 43.7 | 28 ft | 53.4 | 679 ft |
| May | 55.7 | 831 ft | 65.5 | 1,469 ft |
| June | 64.1 | 1,379 ft | 72.8 | 1,935 ft |
| July | 68.7 | 1,675 ft | 77.0 | 2,200 ft |
| August | 67.2 | 1,579 ft | 75.8 | 2,125 ft |
| September | 59.9 | 1,106 ft | 69.0 | 1,694 ft |
| October | 48.5 | 352 ft | 57.0 | 916 ft |
| November | 37.8 | −375 ft | 45.0 | 116 ft |
| December | 27.5 | −1,093 ft | 34.1 | −631 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 4B7
DENSITY ALTITUDE
Field elevation 834 ft — the air behaves like 2,200 ft.
- PRESSURE ALT
- 835 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
- 4B6 — Ticonderoga Municipal
Ticonderoga · elev 274 ft
- 1I1 — Marcy Field
Keene · elev 985 ft
- KLKP — Lake Placid
Lake Placid · elev 1,747 ft
- 83K — Harris
Fort Ann · elev 261 ft
- KGFL — Floyd Bennett Meml
Glens Falls · elev 328 ft
- KSLK — Adirondack Regional
Saranac Lake · elev 1,663 ft
- 1C3 — Argyle
Argyle · elev 330 ft
- K30 — Heber Airpark
Gansevoort · elev 230 ft
Frequently asked questions
How high does density altitude get at 4B7 in summer?
On a typical July afternoon — around 77 °F at the nearest NOAA normals station — density altitude at Schroon Lake reaches roughly 2,200 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 4B7 on an average day?
It swings with the seasons: from roughly −1,607 ft at the coldest month's average temperature to about 1,675 ft at the warmest month's — all from a constant field elevation of 834 ft. The month-by-month table above carries the full year.
What is the field elevation of Schroon Lake?
834 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 4B7 (FAA), in Schroon Lake, New York.