Ketchikan, Alaska · field elev 92 ft
Density Altitude at Ketchikan International (PAKT)
Ketchikan International sits at 92 ft, and even a typical August afternoon (65 °F) only lifts density altitude to about 504 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 | 35.6 | −1,452 ft | 39.7 | −1,168 ft |
| February | 36.2 | −1,411 ft | 40.9 | −1,086 ft |
| March | 38.0 | −1,286 ft | 43.6 | −901 ft |
| April | 43.5 | −907 ft | 49.8 | −480 ft |
| May | 50.1 | −460 ft | 56.9 | −7 ft |
| June | 55.3 | −113 ft | 61.3 | 283 ft |
| July | 58.8 | 119 ft | 64.5 | 491 ft |
| August | 59.0 | 132 ft | 64.7 | 504 ft |
| September | 53.6 | −226 ft | 58.9 | 125 ft |
| October | 46.2 | −724 ft | 51.1 | −393 ft |
| November | 39.7 | −1,168 ft | 43.7 | −894 ft |
| December | 36.4 | −1,397 ft | 40.2 | −1,134 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 PAKT
DENSITY ALTITUDE
Field elevation 92 ft — the air behaves like 524 ft.
- PRESSURE ALT
- 93 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
- PAKW — Klawock
Klawock · elev 80 ft
- PAWG — Wrangell
Wrangell · elev 44 ft
- PAPG — Petersburg James A Johnson
Petersburg · elev 113 ft
- PAFE — Kake
Kake · elev 172 ft
- PASI — Sitka Rocky Gutierrez
Sitka · elev 27 ft
- PAJN — Juneau International
Juneau · elev 25 ft
- PAOH — Hoonah
Hoonah · elev 22 ft
- PAGS — Gustavus
Gustavus · elev 36 ft
Frequently asked questions
How high does density altitude get at PAKT in summer?
On a typical August afternoon — around 65 °F at the nearest NOAA normals station — density altitude at Ketchikan International reaches roughly 504 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 PAKT on an average day?
It swings with the seasons: from roughly −1,452 ft at the coldest month's average temperature to about 132 ft at the warmest month's — all from a constant field elevation of 92 ft. The month-by-month table above carries the full year.
What is the field elevation of Ketchikan International?
92 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is PAKT (ICAO) / KTN (FAA), in Ketchikan, Alaska.