Yakutat, Alaska · field elev 60 ft
Density Altitude at Situk (A68)
Situk sits at 60 ft, and even a typical August afternoon (62 °F) only lifts density altitude to about 276 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 | −1,984 ft | 34.8 | −1,548 ft |
| February | 30.6 | −1,843 ft | 37.8 | −1,339 ft |
| March | 31.9 | −1,751 ft | 40.0 | −1,187 ft |
| April | 38.6 | −1,284 ft | 46.9 | −716 ft |
| May | 45.6 | −804 ft | 53.7 | −259 ft |
| June | 51.9 | −379 ft | 58.8 | 79 ft |
| July | 55.4 | −146 ft | 61.6 | 263 ft |
| August | 54.7 | −192 ft | 61.8 | 276 ft |
| September | 49.4 | −547 ft | 56.9 | −46 ft |
| October | 41.9 | −1,057 ft | 48.9 | −581 ft |
| November | 33.7 | −1,625 ft | 40.1 | −1,181 ft |
| December | 30.8 | −1,829 ft | 36.4 | −1,437 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 A68
DENSITY ALTITUDE
Field elevation 60 ft — the air behaves like 289 ft.
- PRESSURE ALT
- 61 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
- PAYA — Yakutat
Yakutat · elev 40 ft
- A67 — Harlequin Lake
Yakutat · elev 113 ft
- A69 — Tanis Mesa
Yakutat · elev 183 ft
- A57 — Alsek River
Yakutat · elev 53 ft
- 3AK — Dry Bay
Yakutat · elev 33 ft
- AK76 — East Alsek River
Yakutat · elev 39 ft
- PAHN — Haines
Haines · elev 29 ft
- PAGY — Skagway
Skagway · elev 44 ft
Frequently asked questions
How high does density altitude get at A68 in summer?
On a typical August afternoon — around 62 °F at the nearest NOAA normals station — density altitude at Situk reaches roughly 276 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 A68 on an average day?
It swings with the seasons: from roughly −1,984 ft at the coldest month's average temperature to about −146 ft at the warmest month's — all from a constant field elevation of 60 ft. The month-by-month table above carries the full year.
What is the field elevation of Situk?
60 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is A68 (FAA), in Yakutat, Alaska.