Mahoney Creek, Idaho · field elev 4,618 ft
Density Altitude at Mahoney Creek Usfs (0U3)
From a field elevation of 4,618 ft, a typical July afternoon at Mahoney Creek Usfs (86 °F) raises density altitude to about 7,338 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 | 25.0 | 3,457 ft | 34.1 | 4,076 ft |
| February | 29.2 | 3,744 ft | 40.4 | 4,496 ft |
| March | 37.4 | 4,297 ft | 49.8 | 5,111 ft ▲ |
| April | 44.0 | 4,734 ft | 57.3 | 5,592 ft ▲ |
| May | 52.4 | 5,279 ft | 66.6 | 6,177 ft ▲ |
| June | 59.5 | 5,732 ft | 75.0 | 6,694 ft ▲ |
| July | 67.1 | 6,208 ft | 85.7 | 7,338 ft ▲ |
| August | 65.6 | 6,114 ft | 85.0 | 7,296 ft ▲ |
| September | 57.5 | 5,605 ft | 75.9 | 6,748 ft ▲ |
| October | 45.8 | 4,851 ft | 60.7 | 5,807 ft ▲ |
| November | 33.1 | 4,009 ft | 43.0 | 4,668 ft |
| December | 24.2 | 3,402 ft | 33.3 | 4,022 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 0U3
DENSITY ALTITUDE caution
Field elevation 4,618 ft — the air behaves like 7,356 ft.
- PRESSURE ALT
- 4,620 ft
- ISA DEVIATION
- —
- RULE-OF-THUMB DA
- —
- AIR DENSITY INDEX
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- 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
- D47 — Cougar Ranch
Challis · elev 4,277 ft
- ID8 — Marble Creek
Challis · elev 4,685 ft
- 2U8 — Thomas Creek
Stanley · elev 4,415 ft
- C53 — Lower Loon Creek
Challis · elev 4,200 ft
- S81 — Indian Creek Usfs
Indian Creek · elev 4,718 ft
- U72 — Upper Loon Creek Usfs
Challis · elev 5,500 ft
- U54 — Bernard Usfs
Bernard · elev 3,626 ft
- 85U — Soldier Bar Usfs
Soldier Bar · elev 4,190 ft
Frequently asked questions
How high does density altitude get at 0U3 in summer?
On a typical July afternoon — around 86 °F at the nearest NOAA normals station — density altitude at Mahoney Creek Usfs reaches roughly 7,338 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 0U3 on an average day?
It swings with the seasons: from roughly 3,402 ft at the coldest month's average temperature to about 6,208 ft at the warmest month's — all from a constant field elevation of 4,618 ft. The month-by-month table above carries the full year.
What is the field elevation of Mahoney Creek Usfs?
4,618 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 0U3 (FAA), in Mahoney Creek, Idaho.