Stanley, Idaho · field elev 6,370 ft
Density Altitude at Bruce Meadows (U63)
Bruce Meadows is a genuine high-and-hot field: from 6,370 ft of elevation, a typical July afternoon (82 °F) pushes density altitude to about 9,222 ft — the airplane performs like it is 2,852 ft above the field before the wheels roll.
Typical density altitude by month
| Month | Avg temp °F | DA at avg temp | Afternoon high °F | DA on a typical afternoon |
|---|---|---|---|---|
| January | 21.5 | 5,397 ft | 35.4 | 6,331 ft ▲ |
| February | 23.9 | 5,561 ft | 36.0 | 6,371 ft ▲ |
| March | 29.5 | 5,939 ft | 42.4 | 6,789 ft ▲ |
| April | 35.8 | 6,357 ft | 49.3 | 7,233 ft ▲ |
| May | 45.7 | 7,002 ft | 61.4 | 7,993 ft ▲ |
| June | 52.3 | 7,423 ft | 69.6 | 8,497 ft ⚠ |
| July | 60.6 | 7,944 ft | 81.7 | 9,222 ft ⚠ |
| August | 59.9 | 7,900 ft | 81.2 | 9,192 ft ⚠ |
| September | 52.3 | 7,423 ft | 72.9 | 8,696 ft ⚠ |
| October | 41.3 | 6,718 ft | 57.0 | 7,719 ft ▲ |
| November | 28.4 | 5,865 ft | 40.2 | 6,646 ft ▲ |
| December | 20.2 | 5,308 ft | 31.4 | 6,066 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 U63
DENSITY ALTITUDE high DA
Field elevation 6,370 ft — the air behaves like 9,239 ft.
- PRESSURE ALT
- 6,372 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 Idaho fields
- 0U1 — Warm Springs Creek
Lowman · elev 4,831 ft
- 0U0 — Landmark Usfs
Landmark · elev 6,662 ft
- 2U7 — Stanley
Stanley · elev 6,403 ft
- S81 — Indian Creek Usfs
Indian Creek · elev 4,718 ft
- 2U8 — Thomas Creek
Stanley · elev 4,415 ft
- U72 — Upper Loon Creek Usfs
Challis · elev 5,500 ft
- ID8 — Marble Creek
Challis · elev 4,685 ft
- D47 — Cougar Ranch
Challis · elev 4,277 ft
Frequently asked questions
How high does density altitude get at U63 in summer?
On a typical July afternoon — around 82 °F at the nearest NOAA normals station — density altitude at Bruce Meadows reaches roughly 9,222 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 U63 on an average day?
It swings with the seasons: from roughly 5,308 ft at the coldest month's average temperature to about 7,944 ft at the warmest month's — all from a constant field elevation of 6,370 ft. The month-by-month table above carries the full year.
What is the field elevation of Bruce Meadows?
6,370 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is U63 (FAA), in Stanley, Idaho.