Afton, Wyoming · field elev 6,221 ft
Density Altitude at Afton Lincoln County/General Boyd L Eddins Field (KAFO)
Afton Lincoln County/General Boyd L Eddins Field is a genuine high-and-hot field: from 6,221 ft of elevation, a typical July afternoon (80 °F) pushes density altitude to about 8,941 ft — the airplane performs like it is 2,720 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 | 15.3 | 4,784 ft | 25.7 | 5,498 ft ▲ |
| February | 19.1 | 5,047 ft | 30.5 | 5,821 ft ▲ |
| March | 28.4 | 5,680 ft | 40.3 | 6,469 ft ▲ |
| April | 37.5 | 6,285 ft | 49.8 | 7,082 ft ▲ |
| May | 46.7 | 6,883 ft | 60.4 | 7,749 ft ▲ |
| June | 54.5 | 7,380 ft | 70.6 | 8,376 ft ⚠ |
| July | 62.0 | 7,849 ft | 80.0 | 8,941 ft ⚠ |
| August | 61.0 | 7,787 ft | 79.3 | 8,899 ft ⚠ |
| September | 51.9 | 7,215 ft | 69.3 | 8,297 ft ⚠ |
| October | 40.7 | 6,495 ft | 55.8 | 7,462 ft ▲ |
| November | 27.8 | 5,640 ft | 39.2 | 6,397 ft ▲ |
| December | 16.8 | 4,888 ft | 26.8 | 5,572 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 KAFO
DENSITY ALTITUDE high DA
Field elevation 6,221 ft — the air behaves like 8,941 ft.
- PRESSURE ALT
- 6,223 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
- 46U — Alpine
Alpine · elev 5,637 ft
- KBPI — Miley Meml Field
Big Piney · elev 6,994 ft
- U06 — Cokeville Municipal
Cokeville · elev 6,270 ft
- KPNA — Ralph Wenz Field
Pinedale · elev 7,096 ft
- KJAC — Jackson Hole
Jackson · elev 6,451 ft
- KEMM — Kemmerer Municipal
Kemmerer · elev 7,289 ft
- KDUB — Dubois Municipal
Dubois · elev 7,299 ft
- KFBR — Fort Bridger
Fort Bridger · elev 7,038 ft
Frequently asked questions
How high does density altitude get at KAFO in summer?
On a typical July afternoon — around 80 °F at the nearest NOAA normals station — density altitude at Afton Lincoln County/General Boyd L Eddins Field reaches roughly 8,941 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 KAFO on an average day?
It swings with the seasons: from roughly 4,784 ft at the coldest month's average temperature to about 7,849 ft at the warmest month's — all from a constant field elevation of 6,221 ft. The month-by-month table above carries the full year.
What is the field elevation of Afton Lincoln County/General Boyd L Eddins Field?
6,221 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KAFO (ICAO) / AFO (FAA), in Afton, Wyoming.