Stow, Massachusetts · field elev 280 ft
Density Altitude at Minute Man Air Field (6B6)
Minute Man Air Field sits at 280 ft, and even a typical July afternoon (87 °F) only lifts density altitude to about 2,138 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 | 26.0 | −1,894 ft | 37.4 | −1,093 ft |
| February | 28.2 | −1,737 ft | 40.6 | −872 ft |
| March | 36.2 | −1,176 ft | 48.5 | −335 ft |
| April | 47.7 | −389 ft | 61.6 | 534 ft |
| May | 59.2 | 377 ft | 73.0 | 1,269 ft |
| June | 67.9 | 943 ft | 81.1 | 1,779 ft |
| July | 73.5 | 1,300 ft | 86.9 | 2,138 ft |
| August | 71.5 | 1,173 ft | 84.9 | 2,015 ft |
| September | 63.5 | 658 ft | 77.5 | 1,553 ft |
| October | 51.7 | −120 ft | 65.5 | 788 ft |
| November | 41.2 | −831 ft | 53.6 | 7 ft |
| December | 31.7 | −1,490 ft | 42.8 | −721 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 6B6
DENSITY ALTITUDE
Field elevation 280 ft — the air behaves like 2,144 ft.
- PRESSURE ALT
- 281 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 Massachusetts fields
- KBED — Laurence G Hanscom Field
Bedford · elev 132 ft
- KFIT — Fitchburg Municipal
Fitchburg · elev 345 ft
- 3B3 — Sterling
Sterling · elev 459 ft
- KORH — Worcester Regional
Worcester · elev 1,009 ft
- 1B6 — Hopedale Industrial Park
Hopedale · elev 269 ft
- 60M — Spencer
Spencer · elev 1,043 ft
- KOWD — Norwood Meml
Norwood · elev 49 ft
- KGDM — Gardner Municipal
Gardner · elev 954 ft
Frequently asked questions
How high does density altitude get at 6B6 in summer?
On a typical July afternoon — around 87 °F at the nearest NOAA normals station — density altitude at Minute Man Air Field reaches roughly 2,138 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 6B6 on an average day?
It swings with the seasons: from roughly −1,894 ft at the coldest month's average temperature to about 1,300 ft at the warmest month's — all from a constant field elevation of 280 ft. The month-by-month table above carries the full year.
What is the field elevation of Minute Man Air Field?
280 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 6B6 (FAA), in Stow, Massachusetts.