Mccarthy, Alaska · field elev 1,074 ft
Density Altitude at Jakes Bar (AK0)
Jakes Bar sits at 1,074 ft, and even a typical July afternoon (71 °F) only lifts density altitude to about 2,141 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 | −1.6 | −2,924 ft | 6.0 | −2,351 ft |
| February | 9.7 | −2,077 ft | 20.7 | −1,276 ft |
| March | 18.2 | −1,456 ft | 32.9 | −415 ft |
| April | 34.6 | −297 ft | 47.7 | 596 ft |
| May | 46.6 | 522 ft | 62.2 | 1,551 ft |
| June | 54.3 | 1,035 ft | 69.7 | 2,033 ft |
| July | 57.3 | 1,232 ft | 71.4 | 2,141 ft |
| August | 53.5 | 982 ft | 66.8 | 1,848 ft |
| September | 44.3 | 367 ft | 55.5 | 1,114 ft |
| October | 29.4 | −659 ft | 38.6 | −21 ft |
| November | 9.7 | −2,077 ft | 17.3 | −1,521 ft |
| December | 2.3 | −2,629 ft | 9.2 | −2,114 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 AK0
DENSITY ALTITUDE
Field elevation 1,074 ft — the air behaves like 2,115 ft.
- PRESSURE ALT
- 1,075 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
- MYK — May Creek
May Creek · elev 1,681 ft
- PAMX — Mccarthy
Mccarthy · elev 1,533 ft
- KGZ — Glacier Creek
Glacier Creek · elev 2,380 ft
- PAAX — Chitina
Chitina · elev 556 ft
- CZN — Chisana
Chisana · elev 3,348 ft
- 4Z5 — Horsfeld
Horsfeld · elev 3,620 ft
- K55 — Thompson Pass
Valdez · elev 2,080 ft
- Z93 — Copper Center 2
Copper Center · elev 1,150 ft
Frequently asked questions
How high does density altitude get at AK0 in summer?
On a typical July afternoon — around 71 °F at the nearest NOAA normals station — density altitude at Jakes Bar reaches roughly 2,141 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 AK0 on an average day?
It swings with the seasons: from roughly −2,924 ft at the coldest month's average temperature to about 1,232 ft at the warmest month's — all from a constant field elevation of 1,074 ft. The month-by-month table above carries the full year.
What is the field elevation of Jakes Bar?
1,074 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is AK0 (FAA), in Mccarthy, Alaska.