Big Piney, Wyoming · field elev 6,994 ft
Density Altitude at Miley Meml Field (KBPI)
Miley Meml Field is a genuine high-and-hot field: from 6,994 ft of elevation, a typical July afternoon (82 °F) pushes density altitude to about 9,988 ft — the airplane performs like it is 2,994 ft above the field before the wheels roll.
Typical density altitude by month
| Month | Avg temp °F | DA at avg temp | Afternoon high °F | DA on a typical afternoon |
|---|---|---|---|---|
| January | 11.7 | 5,498 ft | 26.7 | 6,524 ft ▲ |
| February | 14.9 | 5,721 ft | 29.6 | 6,718 ft ▲ |
| March | 26.9 | 6,538 ft | 41.1 | 7,473 ft ▲ |
| April | 36.4 | 7,167 ft | 51.9 | 8,163 ft ⚠ |
| May | 45.3 | 7,743 ft | 61.8 | 8,779 ft ⚠ |
| June | 54.2 | 8,307 ft | 72.3 | 9,418 ft ⚠ |
| July | 61.9 | 8,786 ft | 81.9 | 9,988 ft ⚠ |
| August | 60.1 | 8,675 ft | 79.8 | 9,864 ft ⚠ |
| September | 50.8 | 8,093 ft | 69.7 | 9,261 ft ⚠ |
| October | 38.2 | 7,285 ft | 55.0 | 8,357 ft ⚠ |
| November | 24.4 | 6,370 ft | 39.4 | 7,363 ft ▲ |
| December | 12.7 | 5,568 ft | 27.6 | 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 KBPI
DENSITY ALTITUDE high DA
Field elevation 6,994 ft — the air behaves like 9,994 ft.
- PRESSURE ALT
- 6,996 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 Wyoming fields
- KPNA — Ralph Wenz Field
Pinedale · elev 7,096 ft
- KAFO — Afton Lincoln County/General Boyd L Eddins Field
Afton · elev 6,221 ft
- KEMM — Kemmerer Municipal
Kemmerer · elev 7,289 ft
- U06 — Cokeville Municipal
Cokeville · elev 6,270 ft
- 46U — Alpine
Alpine · elev 5,637 ft
- KDUB — Dubois Municipal
Dubois · elev 7,299 ft
- KLND — Hunt Field
Lander · elev 5,589 ft
- KJAC — Jackson Hole
Jackson · elev 6,451 ft
Frequently asked questions
How high does density altitude get at KBPI in summer?
On a typical July afternoon — around 82 °F at the nearest NOAA normals station — density altitude at Miley Meml Field reaches roughly 9,988 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 KBPI on an average day?
It swings with the seasons: from roughly 5,498 ft at the coldest month's average temperature to about 8,786 ft at the warmest month's — all from a constant field elevation of 6,994 ft. The month-by-month table above carries the full year.
What is the field elevation of Miley Meml Field?
6,994 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KBPI (ICAO) / BPI (FAA), in Big Piney, Wyoming.