Bison, South Dakota · field elev 2,791 ft
Density Altitude at Bison Municipal (6V5)
From a field elevation of 2,791 ft, a typical July afternoon at Bison Municipal (86 °F) raises density altitude to about 5,152 ft — solidly into the range where performance charts deserve a close read.
Typical density altitude by month
| Month | Avg temp °F | DA at avg temp | Afternoon high °F | DA on a typical afternoon |
|---|---|---|---|---|
| January | 19.7 | 805 ft | 29.6 | 1,498 ft |
| February | 22.6 | 1,010 ft | 32.8 | 1,718 ft |
| March | 33.4 | 1,759 ft | 45.1 | 2,549 ft |
| April | 44.4 | 2,502 ft | 57.4 | 3,354 ft |
| May | 55.4 | 3,225 ft | 68.2 | 4,042 ft |
| June | 65.2 | 3,853 ft | 77.9 | 4,646 ft |
| July | 72.4 | 4,305 ft | 86.2 | 5,152 ft ▲ |
| August | 71.3 | 4,237 ft | 85.6 | 5,115 ft ▲ |
| September | 61.9 | 3,643 ft | 76.4 | 4,553 ft |
| October | 47.2 | 2,688 ft | 59.7 | 3,502 ft |
| November | 33.0 | 1,732 ft | 43.4 | 2,435 ft |
| December | 22.4 | 996 ft | 31.9 | 1,656 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 6V5
DENSITY ALTITUDE caution
Field elevation 2,791 ft — the air behaves like 5,140 ft.
- PRESSURE ALT
- 2,793 ft
- ISA DEVIATION
- —
- RULE-OF-THUMB DA
- —
- AIR DENSITY INDEX
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- 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 South Dakota fields
- KLEM — Lemmon Municipal
Lemmon · elev 2,573 ft
- D07 — Faith Municipal
Faith · elev 2,584 ft
- 3Y7 — Isabel Municipal
Isabel · elev 2,398 ft
- 9D2 — Harding County
Buffalo · elev 2,891 ft
- D58 — Timber Lake Municipal
Timber Lake · elev 2,193 ft
- 84D — Cheyenne Eagle Butte
Eagle Butte · elev 2,449 ft
- 5P2 — Mc Laughlin Municipal
Mc Laughlin · elev 2,008 ft
- KEFC — Belle Fourche Municipal
Belle Fourche · elev 3,191 ft
Frequently asked questions
How high does density altitude get at 6V5 in summer?
On a typical July afternoon — around 86 °F at the nearest NOAA normals station — density altitude at Bison Municipal reaches roughly 5,152 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 6V5 on an average day?
It swings with the seasons: from roughly 805 ft at the coldest month's average temperature to about 4,305 ft at the warmest month's — all from a constant field elevation of 2,791 ft. The month-by-month table above carries the full year.
What is the field elevation of Bison Municipal?
2,791 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 6V5 (FAA), in Bison, South Dakota.