Yakutat, Alaska · field elev 33 ft
Density Altitude at Dry Bay (3AK)
Dry Bay sits at 33 ft, and even a typical August afternoon (62 °F) only lifts density altitude to about 243 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 | 28.6 | −2,018 ft | 34.8 | −1,582 ft |
| February | 30.6 | −1,877 ft | 37.8 | −1,373 ft |
| March | 31.9 | −1,785 ft | 40.0 | −1,221 ft |
| April | 38.6 | −1,318 ft | 46.9 | −749 ft |
| May | 45.6 | −838 ft | 53.7 | −292 ft |
| June | 51.9 | −412 ft | 58.8 | 46 ft |
| July | 55.4 | −179 ft | 61.6 | 230 ft |
| August | 54.7 | −226 ft | 61.8 | 243 ft |
| September | 49.4 | −580 ft | 56.9 | −80 ft |
| October | 41.9 | −1,090 ft | 48.9 | −614 ft |
| November | 33.7 | −1,659 ft | 40.1 | −1,214 ft |
| December | 30.8 | −1,863 ft | 36.4 | −1,470 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 3AK
DENSITY ALTITUDE
Field elevation 33 ft — the air behaves like 256 ft.
- PRESSURE ALT
- 34 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 Alaska fields
- A57 — Alsek River
Yakutat · elev 53 ft
- AK76 — East Alsek River
Yakutat · elev 39 ft
- A69 — Tanis Mesa
Yakutat · elev 183 ft
- A67 — Harlequin Lake
Yakutat · elev 113 ft
- A68 — Situk
Yakutat · elev 60 ft
- PAYA — Yakutat
Yakutat · elev 40 ft
- PAHN — Haines
Haines · elev 29 ft
- PAGS — Gustavus
Gustavus · elev 36 ft
Frequently asked questions
How high does density altitude get at 3AK in summer?
On a typical August afternoon — around 62 °F at the nearest NOAA normals station — density altitude at Dry Bay reaches roughly 243 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 3AK on an average day?
It swings with the seasons: from roughly −2,018 ft at the coldest month's average temperature to about −179 ft at the warmest month's — all from a constant field elevation of 33 ft. The month-by-month table above carries the full year.
What is the field elevation of Dry Bay?
33 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 3AK (FAA), in Yakutat, Alaska.