Montague, Massachusetts · field elev 359 ft
Density Altitude at Turners Falls (0B5)
Turners Falls sits at 359 ft, and even a typical July afternoon (83 °F) only lifts density altitude to about 1,975 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 | 24.0 | −1,937 ft | 33.3 | −1,279 ft |
| February | 25.5 | −1,830 ft | 37.4 | −994 ft |
| March | 34.3 | −1,210 ft | 45.3 | −453 ft |
| April | 46.4 | −378 ft | 58.5 | 429 ft |
| May | 57.4 | 356 ft | 69.6 | 1,149 ft |
| June | 66.0 | 917 ft | 78.1 | 1,688 ft |
| July | 71.0 | 1,238 ft | 82.7 | 1,975 ft |
| August | 69.2 | 1,123 ft | 81.1 | 1,875 ft |
| September | 62.2 | 671 ft | 74.1 | 1,435 ft |
| October | 50.5 | −102 ft | 62.0 | 658 ft |
| November | 39.3 | −863 ft | 49.6 | −163 ft |
| December | 30.1 | −1,504 ft | 39.5 | −849 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 0B5
DENSITY ALTITUDE
Field elevation 359 ft — the air behaves like 1,994 ft.
- PRESSURE ALT
- 360 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
- KORE — Orange Municipal
Orange · elev 556 ft
- 7B2 — Northampton
Northampton · elev 121 ft
- KGDM — Gardner Municipal
Gardner · elev 954 ft
- KCEF — Westover Arb/Metro
Springfield/Chicopee · elev 241 ft
- KBAF — Westfield-Barnes Regional
Westfield/Springfield · elev 270 ft
- KAQW — Harriman-And-West
North Adams · elev 654 ft
- 60M — Spencer
Spencer · elev 1,043 ft
- 3B3 — Sterling
Sterling · elev 459 ft
Frequently asked questions
How high does density altitude get at 0B5 in summer?
On a typical July afternoon — around 83 °F at the nearest NOAA normals station — density altitude at Turners Falls reaches roughly 1,975 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 0B5 on an average day?
It swings with the seasons: from roughly −1,937 ft at the coldest month's average temperature to about 1,238 ft at the warmest month's — all from a constant field elevation of 359 ft. The month-by-month table above carries the full year.
What is the field elevation of Turners Falls?
359 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 0B5 (FAA), in Montague, Massachusetts.