Yankee Creek, Alaska · field elev 1,120 ft
Density Altitude at Yankee Creek 2 (A77)
Yankee Creek 2 sits at 1,120 ft, and even a typical July afternoon (70 °F) only lifts density altitude to about 2,077 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 | −5.8 | −3,187 ft | 2.6 | −2,548 ft |
| February | 4.5 | −2,405 ft | 14.7 | −1,652 ft |
| March | 11.9 | −1,857 ft | 24.5 | −947 ft |
| April | 32.2 | −406 ft | 42.9 | 329 ft |
| May | 48.4 | 700 ft | 58.9 | 1,394 ft |
| June | 58.7 | 1,381 ft | 68.8 | 2,032 ft |
| July | 60.8 | 1,517 ft | 69.5 | 2,077 ft |
| August | 55.9 | 1,197 ft | 64.0 | 1,724 ft |
| September | 46.0 | 539 ft | 53.9 | 1,065 ft |
| October | 28.4 | −672 ft | 34.5 | −246 ft |
| November | 8.0 | −2,145 ft | 14.9 | −1,638 ft |
| December | −2.3 | −2,919 ft | 5.5 | −2,330 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 A77
DENSITY ALTITUDE
Field elevation 1,120 ft — the air behaves like 2,108 ft.
- PRESSURE ALT
- 1,121 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
- PPCT — Takotna
Takotna · elev 423 ft
- Z17 — Ophir
Ophir · elev 595 ft
- PAMC — Mc Grath
Mc Grath · elev 343 ft
- Z48 — Bear Creek 3
Bear Creek · elev 740 ft
- PAFS — Nikolai
Nikolai · elev 447 ft
- FLT — Flat
Flat · elev 343 ft
- SRV — Stony River 2
Stony River · elev 230 ft
- RDV — Red Devil
Red Devil · elev 181 ft
Frequently asked questions
How high does density altitude get at A77 in summer?
On a typical July afternoon — around 70 °F at the nearest NOAA normals station — density altitude at Yankee Creek 2 reaches roughly 2,077 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 A77 on an average day?
It swings with the seasons: from roughly −3,187 ft at the coldest month's average temperature to about 1,517 ft at the warmest month's — all from a constant field elevation of 1,120 ft. The month-by-month table above carries the full year.
What is the field elevation of Yankee Creek 2?
1,120 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is A77 (FAA), in Yankee Creek, Alaska.