Minidoka, Idaho · field elev 4,716 ft
Density Altitude at Bear Trap (1U0)
From a field elevation of 4,716 ft, a typical August afternoon at Bear Trap (85 °F) raises density altitude to about 7,415 ft — solidly into the range where performance charts deserve a close read.
Typical density altitude by month
| Month | Avg temp °F | DA at avg temp | Afternoon high °F | DA on a typical afternoon |
|---|---|---|---|---|
| January | 24.6 | 3,551 ft | 32.2 | 4,069 ft |
| February | 28.6 | 3,825 ft | 37.0 | 4,392 ft |
| March | 38.9 | 4,518 ft | 49.8 | 5,232 ft ▲ |
| April | 46.4 | 5,011 ft | 59.1 | 5,826 ft ▲ |
| May | 54.5 | 5,534 ft | 68.2 | 6,396 ft ▲ |
| June | 61.5 | 5,978 ft | 76.1 | 6,880 ft ▲ |
| July | 69.0 | 6,445 ft | 84.5 | 7,385 ft ▲ |
| August | 69.0 | 6,445 ft | 85.0 | 7,415 ft ▲ |
| September | 59.7 | 5,864 ft | 74.9 | 6,807 ft ▲ |
| October | 47.8 | 5,102 ft | 59.9 | 5,877 ft ▲ |
| November | 35.2 | 4,271 ft | 44.7 | 4,900 ft |
| December | 25.3 | 3,600 ft | 32.8 | 4,110 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 1U0
DENSITY ALTITUDE caution
Field elevation 4,716 ft — the air behaves like 7,415 ft.
- PRESSURE ALT
- 4,718 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
- U48 — Coxs Well
Atomic City · elev 5,048 ft
- U99 — Laidlaw Corrals
Kimama · elev 4,448 ft
- U36 — Aberdeen Municipal
Aberdeen · elev 4,474 ft
- 0U7 — Hollow Top
Carey · elev 5,359 ft
- U01 — Savage Field
American Falls · elev 4,420 ft
- U46 — Big Southern Butte
Atomic City · elev 5,073 ft
- KBYI — Burley Municipal
Burley · elev 4,154 ft
- U65 — Carey
Carey · elev 4,789 ft
Frequently asked questions
How high does density altitude get at 1U0 in summer?
On a typical August afternoon — around 85 °F at the nearest NOAA normals station — density altitude at Bear Trap reaches roughly 7,415 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 1U0 on an average day?
It swings with the seasons: from roughly 3,551 ft at the coldest month's average temperature to about 6,445 ft at the warmest month's — all from a constant field elevation of 4,716 ft. The month-by-month table above carries the full year.
What is the field elevation of Bear Trap?
4,716 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 1U0 (FAA), in Minidoka, Idaho.