Elgin, North Dakota · field elev 2,355 ft
Density Altitude at Elgin Municipal (Y71)
Elgin Municipal sits at 2,355 ft, and even a typical July afternoon (83 °F) only lifts density altitude to about 4,403 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 | 14.3 | −128 ft | 24.3 | 584 ft |
| February | 18.1 | 145 ft | 28.9 | 906 ft |
| March | 28.7 | 892 ft | 39.5 | 1,633 ft |
| April | 40.8 | 1,720 ft | 53.3 | 2,551 ft |
| May | 52.8 | 2,518 ft | 65.7 | 3,350 ft |
| June | 63.1 | 3,184 ft | 75.0 | 3,935 ft |
| July | 69.7 | 3,603 ft | 82.6 | 4,403 ft |
| August | 67.8 | 3,483 ft | 81.3 | 4,323 ft |
| September | 58.6 | 2,895 ft | 71.9 | 3,741 ft |
| October | 43.7 | 1,915 ft | 56.0 | 2,727 ft |
| November | 30.2 | 996 ft | 41.6 | 1,774 ft |
| December | 18.0 | 138 ft | 27.8 | 829 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 Y71
DENSITY ALTITUDE
Field elevation 2,355 ft — the air behaves like 4,427 ft.
- PRESSURE ALT
- 2,356 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 North Dakota fields
- 3P3 — Mott Municipal
Mott · elev 2,414 ft
- D57 — Glen Ullin Regional
Glen Ullin · elev 2,091 ft
- 4E8 — Richardton
Richardton · elev 2,498 ft
- KHEI — Hettinger/Jb Lindquist Regional
Hettinger · elev 2,706 ft
- Y19 — Mandan Regional/Lawler Field
Mandan · elev 1,944 ft
- KDIK — Dickinson/Theodore Roosevelt Regional
Dickinson · elev 2,592 ft
- KBIS — Bismarck Municipal
Bismarck · elev 1,661 ft
- 95D — Beulah
Beulah · elev 1,791 ft
Frequently asked questions
How high does density altitude get at Y71 in summer?
On a typical July afternoon — around 83 °F at the nearest NOAA normals station — density altitude at Elgin Municipal reaches roughly 4,403 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 Y71 on an average day?
It swings with the seasons: from roughly −128 ft at the coldest month's average temperature to about 3,603 ft at the warmest month's — all from a constant field elevation of 2,355 ft. The month-by-month table above carries the full year.
What is the field elevation of Elgin Municipal?
2,355 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is Y71 (FAA), in Elgin, North Dakota.