Pedro Bay, Alaska · field elev 84 ft
Density Altitude at Pedro Bay (4K0)
Pedro Bay sits at 84 ft, and even a typical July afternoon (66 °F) only lifts density altitude to about 579 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 | 17.2 | −2,775 ft | 24.7 | −2,232 ft |
| February | 21.3 | −2,477 ft | 29.7 | −1,876 ft |
| March | 22.8 | −2,369 ft | 32.7 | −1,665 ft |
| April | 35.6 | −1,462 ft | 44.5 | −849 ft |
| May | 44.9 | −822 ft | 55.6 | −103 ft |
| June | 52.4 | −316 ft | 63.4 | 410 ft |
| July | 56.9 | −17 ft | 66.0 | 579 ft |
| August | 55.2 | −129 ft | 64.0 | 449 ft |
| September | 47.9 | −618 ft | 56.2 | −63 ft |
| October | 37.4 | −1,337 ft | 44.4 | −856 ft |
| November | 27.7 | −2,018 ft | 33.9 | −1,581 ft |
| December | 21.2 | −2,484 ft | 28.1 | −1,990 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 4K0
DENSITY ALTITUDE
Field elevation 84 ft — the air behaves like 579 ft.
- PRESSURE ALT
- 85 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
- PAIL — Iliamna
Iliamna · elev 192 ft
- PANO — Nondalton
Nondalton · elev 314 ft
- PAKX — Wilder Runway
Port Alsworth · elev 288 ft
- PFKK — Kokhanok
Kokhanok · elev 115 ft
- PAKL — Kulik Lake
Kulik Lake · elev 717 ft
- PAIG — Igiugig
Igiugig · elev 90 ft
- PAAW — Nanwalek
Nanwalek · elev 27 ft
- PGM — Port Graham
Port Graham · elev 93 ft
Frequently asked questions
How high does density altitude get at 4K0 in summer?
On a typical July afternoon — around 66 °F at the nearest NOAA normals station — density altitude at Pedro Bay reaches roughly 579 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 4K0 on an average day?
It swings with the seasons: from roughly −2,775 ft at the coldest month's average temperature to about −17 ft at the warmest month's — all from a constant field elevation of 84 ft. The month-by-month table above carries the full year.
What is the field elevation of Pedro Bay?
84 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 4K0 (FAA), in Pedro Bay, Alaska.