Mertarvik, Alaska · field elev 345 ft
Density Altitude at Mertarvik (PAEW)
Mertarvik sits at 345 ft, and even a typical July afternoon (64 °F) only lifts density altitude to about 745 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 | 6.9 | −3,206 ft | 12.7 | −2,776 ft |
| February | 13.3 | −2,731 ft | 20.1 | −2,235 ft |
| March | 14.5 | −2,643 ft | 22.0 | −2,098 ft |
| April | 29.0 | −1,599 ft | 36.9 | −1,046 ft |
| May | 43.0 | −627 ft | 52.0 | −19 ft |
| June | 53.3 | 67 ft | 62.1 | 647 ft |
| July | 56.3 | 266 ft | 63.6 | 745 ft |
| August | 53.9 | 107 ft | 60.5 | 542 ft |
| September | 46.1 | −416 ft | 52.7 | 27 ft |
| October | 32.2 | −1,374 ft | 37.9 | −977 ft |
| November | 18.5 | −2,351 ft | 24.3 | −1,933 ft |
| December | 10.0 | −2,975 ft | 16.3 | −2,511 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 PAEW
DENSITY ALTITUDE
Field elevation 345 ft — the air behaves like 771 ft.
- PRESSURE ALT
- 346 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
- PAGT — Nightmute
Nightmute · elev 7 ft
- PAOO — Toksook Bay
Toksook Bay · elev 71 ft
- POKA — Tununak
Tununak · elev 62 ft
- PACK — Chefornak
Chefornak · elev 54 ft
- PAVA — Chevak
Chevak · elev 61 ft
- PAKI — Kipnuk
Kipnuk · elev 20 ft
- PFKA — Kasigluk
Kasigluk · elev 48 ft
- PAMY — Mekoryuk
Mekoryuk · elev 53 ft
Frequently asked questions
How high does density altitude get at PAEW in summer?
On a typical July afternoon — around 64 °F at the nearest NOAA normals station — density altitude at Mertarvik reaches roughly 745 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 PAEW on an average day?
It swings with the seasons: from roughly −3,206 ft at the coldest month's average temperature to about 266 ft at the warmest month's — all from a constant field elevation of 345 ft. The month-by-month table above carries the full year.
What is the field elevation of Mertarvik?
345 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is PAEW (ICAO) / EWU (FAA), in Mertarvik, Alaska.