Dixie, Idaho · field elev 2,275 ft
Density Altitude at Wilson Bar Usfs (C48)
Wilson Bar Usfs sits at 2,275 ft, and even a typical July afternoon (92 °F) only lifts density altitude to about 4,880 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 | 28.7 | 792 ft | 36.7 | 1,343 ft |
| February | 33.7 | 1,138 ft | 44.2 | 1,850 ft |
| March | 41.6 | 1,675 ft | 54.3 | 2,517 ft |
| April | 48.6 | 2,143 ft | 62.7 | 3,061 ft |
| May | 57.1 | 2,700 ft | 72.9 | 3,706 ft |
| June | 63.8 | 3,131 ft | 79.9 | 4,140 ft |
| July | 72.5 | 3,681 ft | 92.1 | 4,880 ft |
| August | 71.6 | 3,624 ft | 91.4 | 4,838 ft |
| September | 62.7 | 3,061 ft | 80.8 | 4,195 ft |
| October | 48.9 | 2,162 ft | 62.3 | 3,035 ft |
| November | 36.5 | 1,329 ft | 44.7 | 1,883 ft |
| December | 28.7 | 792 ft | 35.5 | 1,261 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 C48
DENSITY ALTITUDE
Field elevation 2,275 ft — the air behaves like 4,874 ft.
- PRESSURE ALT
- 2,276 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
- A05 — Dixie Usfs
Dixie · elev 5,148 ft
- 3U1 — Warren /Usfs/
Warren · elev 5,902 ft
- U79 — Chamberlain Usfs
Chamberlain Guard Station · elev 5,765 ft
- U60 — Big Creek
Big Creek · elev 5,743 ft
- 75C — Orogrande
Orogrande · elev 4,419 ft
- U81 — Cold Meadows Usfs
Cold Meadows Guard Station · elev 7,030 ft
- S90 — Elk City
Elk City · elev 4,097 ft
- 24K — Krassel Usfs
Mc Call · elev 3,982 ft
Frequently asked questions
How high does density altitude get at C48 in summer?
On a typical July afternoon — around 92 °F at the nearest NOAA normals station — density altitude at Wilson Bar Usfs reaches roughly 4,880 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 C48 on an average day?
It swings with the seasons: from roughly 792 ft at the coldest month's average temperature to about 3,681 ft at the warmest month's — all from a constant field elevation of 2,275 ft. The month-by-month table above carries the full year.
What is the field elevation of Wilson Bar Usfs?
2,275 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is C48 (FAA), in Dixie, Idaho.