Jackman, Maine · field elev 1,178 ft
Density Altitude at Newton Field (59B)
Newton Field sits at 1,178 ft, and even a typical July afternoon (77 °F) only lifts density altitude to about 2,589 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 | 11.2 | −1,835 ft | 22.4 | −1,024 ft |
| February | 13.1 | −1,696 ft | 25.7 | −790 ft |
| March | 22.9 | −989 ft | 35.3 | −119 ft |
| April | 36.4 | −43 ft | 48.1 | 752 ft |
| May | 50.0 | 879 ft | 63.0 | 1,731 ft |
| June | 59.8 | 1,524 ft | 72.0 | 2,306 ft |
| July | 64.8 | 1,847 ft | 76.5 | 2,589 ft |
| August | 63.4 | 1,757 ft | 75.8 | 2,546 ft |
| September | 55.6 | 1,249 ft | 68.6 | 2,090 ft |
| October | 43.1 | 415 ft | 53.9 | 1,137 ft |
| November | 31.5 | −382 ft | 40.8 | 259 ft |
| December | 19.1 | −1,261 ft | 28.6 | −585 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 59B
DENSITY ALTITUDE
Field elevation 1,178 ft — the air behaves like 2,621 ft.
- PRESSURE ALT
- 1,179 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 Maine fields
- 3B1 — Greenville Municipal
Greenville · elev 1,402 ft
- B21 — Sugarloaf Regional
Carrabassett · elev 880 ft
- 8B0 — Stephen A Bean Municipal
Rangeley · elev 1,821 ft
- 44B — Charles A Chase Jr Meml Field
Dover/Foxcroft · elev 520 ft
- 1B0 — Dexter Regional
Dexter · elev 533 ft
- KOWK — Central Maine/Norridgewock
Norridgewock · elev 270 ft
- 2B7 — Pittsfield Municipal
Pittsfield · elev 197 ft
- KMLT — Millinocket Municipal
Millinocket · elev 408 ft
Frequently asked questions
How high does density altitude get at 59B in summer?
On a typical July afternoon — around 77 °F at the nearest NOAA normals station — density altitude at Newton Field reaches roughly 2,589 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 59B on an average day?
It swings with the seasons: from roughly −1,835 ft at the coldest month's average temperature to about 1,847 ft at the warmest month's — all from a constant field elevation of 1,178 ft. The month-by-month table above carries the full year.
What is the field elevation of Newton Field?
1,178 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 59B (FAA), in Jackman, Maine.