Kantishna, Alaska · field elev 1,852 ft
Density Altitude at Stampede (Z90)
Stampede sits at 1,852 ft, and even a typical July afternoon (64 °F) only lifts density altitude to about 2,631 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 | 4.3 | −1,494 ft | 13.8 | −797 ft |
| February | 14.7 | −731 ft | 24.7 | −17 ft |
| March | 12.6 | −884 ft | 22.0 | −208 ft |
| April | 29.3 | 306 ft | 38.4 | 933 ft |
| May | 43.2 | 1,258 ft | 53.5 | 1,943 ft |
| June | 53.3 | 1,930 ft | 62.7 | 2,541 ft |
| July | 55.6 | 2,081 ft | 64.1 | 2,631 ft |
| August | 51.5 | 1,811 ft | 60.1 | 2,373 ft |
| September | 41.6 | 1,150 ft | 49.7 | 1,692 ft |
| October | 24.8 | −10 ft | 32.1 | 500 ft |
| November | 10.7 | −1,022 ft | 19.8 | −365 ft |
| December | 4.6 | −1,472 ft | 14.8 | −724 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 Z90
DENSITY ALTITUDE
Field elevation 1,852 ft — the air behaves like 2,624 ft.
- PRESSURE ALT
- 1,853 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
- PAAH — Kantishna
Kantishna · elev 1,578 ft
- PAHV — Healy River
Healy · elev 1,275 ft
- PAIN — Mc Kinley Ntl Park
Mckinley Park · elev 1,720 ft
- PAST — Summit
Summit · elev 2,409 ft
- PATW — Cantwell
Cantwell · elev 2,190 ft
- 2Z3 — Eva Creek
Eva Creek · elev 2,817 ft
- 2AN — Tischner Air
Anderson · elev 647 ft
- PACL — Clear
Clear · elev 559 ft
Frequently asked questions
How high does density altitude get at Z90 in summer?
On a typical July afternoon — around 64 °F at the nearest NOAA normals station — density altitude at Stampede reaches roughly 2,631 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 Z90 on an average day?
It swings with the seasons: from roughly −1,494 ft at the coldest month's average temperature to about 2,081 ft at the warmest month's — all from a constant field elevation of 1,852 ft. The month-by-month table above carries the full year.
What is the field elevation of Stampede?
1,852 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is Z90 (FAA), in Kantishna, Alaska.