Shearer, Idaho · field elev 2,634 ft
Density Altitude at Shearer /Usfs/ (2U5)
From a field elevation of 2,634 ft, a typical July afternoon at Shearer /Usfs/ (92 °F) raises density altitude to about 5,315 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 | 28.7 | 1,240 ft | 36.7 | 1,789 ft |
| February | 33.7 | 1,584 ft | 44.2 | 2,294 ft |
| March | 41.6 | 2,120 ft | 54.3 | 2,960 ft |
| April | 48.6 | 2,586 ft | 62.7 | 3,501 ft |
| May | 57.1 | 3,142 ft | 72.9 | 4,145 ft |
| June | 63.8 | 3,572 ft | 79.9 | 4,577 ft |
| July | 72.5 | 4,120 ft | 92.1 | 5,315 ft ▲ |
| August | 71.6 | 4,064 ft | 91.4 | 5,273 ft ▲ |
| September | 62.7 | 3,501 ft | 80.8 | 4,633 ft |
| October | 48.9 | 2,606 ft | 62.3 | 3,476 ft |
| November | 36.5 | 1,776 ft | 44.7 | 2,328 ft |
| December | 28.7 | 1,240 ft | 35.5 | 1,707 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 2U5
DENSITY ALTITUDE caution
Field elevation 2,634 ft — the air behaves like 5,309 ft.
- PRESSURE ALT
- 2,636 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
- 1U1 — Moose Creek /Usfs/
Moose Creek Ranger Station · elev 2,454 ft
- S92 — Fish Lake Usfs
Fish Lake · elev 5,646 ft
- S90 — Elk City
Elk City · elev 4,097 ft
- 75C — Orogrande
Orogrande · elev 4,419 ft
- U79 — Chamberlain Usfs
Chamberlain Guard Station · elev 5,765 ft
- A05 — Dixie Usfs
Dixie · elev 5,148 ft
- C64 — Cayuse Creek Usfs
Cayuse Creek · elev 3,505 ft
- U81 — Cold Meadows Usfs
Cold Meadows Guard Station · elev 7,030 ft
Frequently asked questions
How high does density altitude get at 2U5 in summer?
On a typical July afternoon — around 92 °F at the nearest NOAA normals station — density altitude at Shearer /Usfs/ reaches roughly 5,315 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 2U5 on an average day?
It swings with the seasons: from roughly 1,240 ft at the coldest month's average temperature to about 4,120 ft at the warmest month's — all from a constant field elevation of 2,634 ft. The month-by-month table above carries the full year.
What is the field elevation of Shearer /Usfs/?
2,634 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 2U5 (FAA), in Shearer, Idaho.