Deadhorse, Alaska · field elev 67 ft
Density Altitude at Deadhorse (PASC)
Deadhorse sits at 67 ft, and even its warmest typical afternoon (July, 55 °F) leaves density altitude around −164 ft — below the field elevation itself. Cold, dense air is the norm here; watch for the opposite altimetry problem on cold days instead.
Typical density altitude by month
| Month | Avg temp °F | DA at avg temp | Afternoon high °F | DA on a typical afternoon |
|---|---|---|---|---|
| January | −14.9 | −5,242 ft | −8.0 | −4,698 ft |
| February | −14.8 | −5,234 ft | −7.7 | −4,675 ft |
| March | −13.8 | −5,155 ft | −6.6 | −4,589 ft |
| April | 2.8 | −3,867 ft | 10.2 | −3,312 ft |
| May | 23.6 | −2,332 ft | 28.5 | −1,983 ft |
| June | 39.9 | −1,186 ft | 46.2 | −755 ft |
| July | 47.3 | −680 ft | 55.0 | −164 ft |
| August | 43.5 | −938 ft | 49.7 | −518 ft |
| September | 34.6 | −1,553 ft | 39.3 | −1,227 ft |
| October | 18.3 | −2,716 ft | 23.8 | −2,318 ft |
| November | 1.7 | −3,951 ft | 8.3 | −3,453 ft |
| December | −9.2 | −4,792 ft | −2.8 | −4,295 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 PASC
DENSITY ALTITUDE
Field elevation 67 ft — the air behaves like −164 ft.
- PRESSURE ALT
- 68 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
- RK1 — Kavik Strip
Kavik River · elev 668 ft
- PAQT — Nuiqsut
Nuiqsut · elev 45 ft
- PAUM — Umiat
Umiat · elev 268 ft
- PABA — Barter Island
Barter Island · elev 55 ft
- PAGB — Galbraith Lake
Galbraith Lake · elev 2,663 ft
- PAAG — Chandalar Shelf
Chandalar Camp · elev 3,222 ft
- PARC — Arctic Village
Arctic Village · elev 2,092 ft
- PAKP — Anaktuvuk Pass
Anaktuvuk Pass · elev 2,106 ft
Frequently asked questions
How high does density altitude get at PASC in summer?
On a typical July afternoon — around 55 °F at the nearest NOAA normals station — density altitude at Deadhorse reaches roughly −164 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 PASC on an average day?
It swings with the seasons: from roughly −5,242 ft at the coldest month's average temperature to about −680 ft at the warmest month's — all from a constant field elevation of 67 ft. The month-by-month table above carries the full year.
What is the field elevation of Deadhorse?
67 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is PASC (ICAO) / SCC (FAA), in Deadhorse, Alaska.