Ugashik, Alaska · field elev 44 ft
Density Altitude at Ugashik (9A8)
Ugashik sits at 44 ft, and even a typical July afternoon (65 °F) only lifts density altitude to about 439 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 | 16.6 | −2,869 ft | 23.5 | −2,369 ft |
| February | 22.1 | −2,469 ft | 29.5 | −1,941 ft |
| March | 23.5 | −2,369 ft | 31.8 | −1,778 ft |
| April | 36.0 | −1,484 ft | 44.5 | −899 ft |
| May | 45.6 | −824 ft | 55.2 | −179 ft |
| June | 52.8 | −339 ft | 62.1 | 276 ft |
| July | 56.7 | −79 ft | 64.6 | 439 ft |
| August | 55.7 | −146 ft | 63.3 | 354 ft |
| September | 48.7 | −614 ft | 56.3 | −106 ft |
| October | 36.4 | −1,457 ft | 43.8 | −947 ft |
| November | 25.0 | −2,261 ft | 31.9 | −1,771 ft |
| December | 18.6 | −2,723 ft | 25.7 | −2,211 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 9A8
DENSITY ALTITUDE
Field elevation 44 ft — the air behaves like 465 ft.
- PRESSURE ALT
- 45 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
- PAPN — Pilot Point
Pilot Point · elev 57 ft
- UGB — Ugashik Bay
Pilot Point · elev 132 ft
- PAII — Egegik
Egegik · elev 92 ft
- PAPH — Port Heiden
Port Heiden · elev 95 ft
- PFWS — South Naknek Nr 2
South Naknek · elev 162 ft
- PAKN — King Salmon
King Salmon · elev 73 ft
- 5NK — Naknek
Naknek · elev 70 ft
- PAJC — Chignik
Chignik · elev 18 ft
Frequently asked questions
How high does density altitude get at 9A8 in summer?
On a typical July afternoon — around 65 °F at the nearest NOAA normals station — density altitude at Ugashik reaches roughly 439 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 9A8 on an average day?
It swings with the seasons: from roughly −2,869 ft at the coldest month's average temperature to about −79 ft at the warmest month's — all from a constant field elevation of 44 ft. The month-by-month table above carries the full year.
What is the field elevation of Ugashik?
44 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 9A8 (FAA), in Ugashik, Alaska.