Dunseith, North Dakota · field elev 2,317 ft
Density Altitude at International Peace Garden (S28)
International Peace Garden sits at 2,317 ft, and even a typical July afternoon (77 °F) only lifts density altitude to about 3,981 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 | 5.4 | −825 ft | 15.9 | −60 ft |
| February | 8.8 | −575 ft | 20.4 | 261 ft |
| March | 21.4 | 332 ft | 32.1 | 1,080 ft |
| April | 38.2 | 1,497 ft | 49.8 | 2,274 ft |
| May | 51.1 | 2,359 ft | 62.7 | 3,112 ft |
| June | 60.9 | 2,997 ft | 71.8 | 3,688 ft |
| July | 65.8 | 3,310 ft | 76.5 | 3,981 ft |
| August | 64.2 | 3,208 ft | 76.1 | 3,956 ft |
| September | 54.9 | 2,608 ft | 66.8 | 3,373 ft |
| October | 39.9 | 1,612 ft | 50.1 | 2,294 ft |
| November | 23.6 | 487 ft | 32.1 | 1,080 ft |
| December | 10.6 | −444 ft | 19.9 | 226 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 S28
DENSITY ALTITUDE
Field elevation 2,317 ft — the air behaves like 4,012 ft.
- PRESSURE ALT
- 2,318 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
- D09 — Bottineau Municipal
Bottineau · elev 1,680 ft
- 06D — Rolla Municipal/Leonard Krech Field
Rolla · elev 1,823 ft
- 2H9 — Rolette
Rolette · elev 1,623 ft
- KRUG — Rugby Municipal
Rugby · elev 1,549 ft
- D64 — Westhope Municipal
Westhope · elev 1,492 ft
- D61 — Towner Municipal
Towner · elev 1,484 ft
- 9D7 — Cando Municipal
Cando · elev 1,482 ft
- D31 — Leeds Municipal
Leeds · elev 1,508 ft
Frequently asked questions
How high does density altitude get at S28 in summer?
On a typical July afternoon — around 77 °F at the nearest NOAA normals station — density altitude at International Peace Garden reaches roughly 3,981 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 S28 on an average day?
It swings with the seasons: from roughly −825 ft at the coldest month's average temperature to about 3,310 ft at the warmest month's — all from a constant field elevation of 2,317 ft. The month-by-month table above carries the full year.
What is the field elevation of International Peace Garden?
2,317 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is S28 (FAA), in Dunseith, North Dakota.