Wallkill, New York · field elev 420 ft
Density Altitude at Kobelt (N45)
Kobelt sits at 420 ft, and even a typical July afternoon (85 °F) only lifts density altitude to about 2,198 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 | 25.9 | −1,725 ft | 36.3 | −994 ft |
| February | 28.3 | −1,555 ft | 39.2 | −794 ft |
| March | 36.6 | −974 ft | 47.4 | −235 ft |
| April | 48.5 | −161 ft | 60.5 | 635 ft |
| May | 59.3 | 556 ft | 71.4 | 1,339 ft |
| June | 68.1 | 1,127 ft | 79.8 | 1,869 ft |
| July | 73.0 | 1,440 ft | 85.1 | 2,198 ft |
| August | 71.0 | 1,313 ft | 82.6 | 2,043 ft |
| September | 63.5 | 830 ft | 75.7 | 1,611 ft |
| October | 51.8 | 60 ft | 64.1 | 869 ft |
| November | 41.4 | −643 ft | 52.2 | 87 ft |
| December | 31.9 | −1,301 ft | 41.1 | −664 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 N45
DENSITY ALTITUDE
Field elevation 420 ft — the air behaves like 2,192 ft.
- PRESSURE ALT
- 421 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
- KSWF — New York Stewart International
New York · elev 491 ft
- KMGJ — Orange County
Montgomery · elev 370 ft
- KPOU — Hudson Valley Regional
Poughkeepsie · elev 164 ft
- N89 — Joseph Y Resnick
Ellenville · elev 290 ft
- N82 — Wurtsboro/Sullivan County
Wurtsboro · elev 548 ft
- 06N — Randall
Middletown · elev 523 ft
- 09N — Airhaven
Staatsburg · elev 450 ft
- N69 — Stormville
Stormville · elev 358 ft
Frequently asked questions
How high does density altitude get at N45 in summer?
On a typical July afternoon — around 85 °F at the nearest NOAA normals station — density altitude at Kobelt reaches roughly 2,198 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 N45 on an average day?
It swings with the seasons: from roughly −1,725 ft at the coldest month's average temperature to about 1,440 ft at the warmest month's — all from a constant field elevation of 420 ft. The month-by-month table above carries the full year.
What is the field elevation of Kobelt?
420 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is N45 (FAA), in Wallkill, New York.