Purkeypile, Alaska · field elev 2,041 ft
Density Altitude at Purkeypile (01A)
Purkeypile sits at 2,041 ft, and even a typical July afternoon (64 °F) only lifts density altitude to about 2,863 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 | 4.3 | −1,256 ft | 13.8 | −559 ft |
| February | 14.7 | −494 ft | 24.7 | 220 ft |
| March | 12.6 | −646 ft | 22.0 | 29 ft |
| April | 29.3 | 542 ft | 38.4 | 1,168 ft |
| May | 43.2 | 1,493 ft | 53.5 | 2,176 ft |
| June | 53.3 | 2,163 ft | 62.7 | 2,773 ft |
| July | 55.6 | 2,314 ft | 64.1 | 2,863 ft |
| August | 51.5 | 2,045 ft | 60.1 | 2,606 ft |
| September | 41.6 | 1,385 ft | 49.7 | 1,926 ft |
| October | 24.8 | 227 ft | 32.1 | 736 ft |
| November | 10.7 | −784 ft | 19.8 | −128 ft |
| December | 4.6 | −1,233 ft | 14.8 | −486 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 01A
DENSITY ALTITUDE
Field elevation 2,041 ft — the air behaves like 2,856 ft.
- PRESSURE ALT
- 2,042 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
- 2K5 — Telida
Telida · elev 650 ft
- PAFL — Tin Creek
Farewell Lake · elev 1,185 ft
- 8KA — Tatitna
Tatitna · elev 1,490 ft
- PAAH — Kantishna
Kantishna · elev 1,578 ft
- 6AK — Rainy Pass Lodge
Rainy Pass · elev 1,900 ft
- PAMH — Minchumina
Minchumina · elev 682 ft
- PAFS — Nikolai
Nikolai · elev 447 ft
- PASW — Skwentna
Skwentna · elev 148 ft
Frequently asked questions
How high does density altitude get at 01A in summer?
On a typical July afternoon — around 64 °F at the nearest NOAA normals station — density altitude at Purkeypile reaches roughly 2,863 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 01A on an average day?
It swings with the seasons: from roughly −1,256 ft at the coldest month's average temperature to about 2,314 ft at the warmest month's — all from a constant field elevation of 2,041 ft. The month-by-month table above carries the full year.
What is the field elevation of Purkeypile?
2,041 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 01A (FAA), in Purkeypile, Alaska.