Bennington, Vermont · field elev 827 ft
Density Altitude at William H Morse State (KDDH)
William H Morse State sits at 827 ft, and even a typical July afternoon (81 °F) only lifts density altitude to about 2,416 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 | 22.6 | −1,450 ft | 32.2 | −772 ft |
| February | 24.8 | −1,293 ft | 35.2 | −563 ft |
| March | 33.4 | −688 ft | 43.6 | 13 ft |
| April | 45.5 | 142 ft | 56.9 | 901 ft |
| May | 56.3 | 862 ft | 68.6 | 1,660 ft |
| June | 64.3 | 1,383 ft | 76.2 | 2,141 ft |
| July | 68.9 | 1,679 ft | 80.6 | 2,416 ft |
| August | 67.3 | 1,576 ft | 79.2 | 2,329 ft |
| September | 60.2 | 1,117 ft | 72.2 | 1,889 ft |
| October | 48.9 | 370 ft | 59.9 | 1,098 ft |
| November | 38.9 | −308 ft | 48.5 | 344 ft |
| December | 29.1 | −989 ft | 37.5 | −404 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 KDDH
DENSITY ALTITUDE
Field elevation 827 ft — the air behaves like 2,441 ft.
- PRESSURE ALT
- 828 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 Vermont fields
- 4V8 — Deerfield Valley Regional
West Dover · elev 1,953 ft
- KRUT — Rutland/Southern Vermont Regional
Rutland · elev 787 ft
- KVSF — Hartness State (Springfield)
Springfield · elev 578 ft
- 6B0 — Middlebury State
Middlebury · elev 494 ft
- 2B9 — Post Mills
Post Mills · elev 696 ft
- 0B7 — Warren-Sugarbush
Warren · elev 1,470 ft
- B06 — Basin Harbor
Vergennes · elev 124 ft
- KMPV — Edward F Knapp State
Barre/Montpelier · elev 1,166 ft
Frequently asked questions
How high does density altitude get at KDDH in summer?
On a typical July afternoon — around 81 °F at the nearest NOAA normals station — density altitude at William H Morse State reaches roughly 2,416 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 KDDH on an average day?
It swings with the seasons: from roughly −1,450 ft at the coldest month's average temperature to about 1,679 ft at the warmest month's — all from a constant field elevation of 827 ft. The month-by-month table above carries the full year.
What is the field elevation of William H Morse State?
827 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KDDH (ICAO) / DDH (FAA), in Bennington, Vermont.