Moose Creek Ranger Station, Idaho · field elev 2,454 ft
Density Altitude at Moose Creek /Usfs/ (1U1)
From a field elevation of 2,454 ft, a typical July afternoon at Moose Creek /Usfs/ (92 °F) raises density altitude to about 5,097 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 | 1,015 ft | 36.7 | 1,565 ft |
| February | 33.7 | 1,360 ft | 44.2 | 2,071 ft |
| March | 41.6 | 1,897 ft | 54.3 | 2,738 ft |
| April | 48.6 | 2,364 ft | 62.7 | 3,280 ft |
| May | 57.1 | 2,920 ft | 72.9 | 3,925 ft |
| June | 63.8 | 3,351 ft | 79.9 | 4,358 ft |
| July | 72.5 | 3,900 ft | 92.1 | 5,097 ft ▲ |
| August | 71.6 | 3,843 ft | 91.4 | 5,055 ft ▲ |
| September | 62.7 | 3,280 ft | 80.8 | 4,413 ft |
| October | 48.9 | 2,384 ft | 62.3 | 3,255 ft |
| November | 36.5 | 1,552 ft | 44.7 | 2,105 ft |
| December | 28.7 | 1,015 ft | 35.5 | 1,484 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 1U1
DENSITY ALTITUDE caution
Field elevation 2,454 ft — the air behaves like 5,091 ft.
- PRESSURE ALT
- 2,455 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
- 2U5 — Shearer /Usfs/
Shearer · elev 2,634 ft
- S92 — Fish Lake Usfs
Fish Lake · elev 5,646 ft
- S90 — Elk City
Elk City · elev 4,097 ft
- C64 — Cayuse Creek Usfs
Cayuse Creek · elev 3,505 ft
- 75C — Orogrande
Orogrande · elev 4,419 ft
- S82 — Kooskia Municipal
Kooskia · elev 1,263 ft
- A05 — Dixie Usfs
Dixie · elev 5,148 ft
- S73 — Kamiah Municipal
Kamiah · elev 1,206 ft
Frequently asked questions
How high does density altitude get at 1U1 in summer?
On a typical July afternoon — around 92 °F at the nearest NOAA normals station — density altitude at Moose Creek /Usfs/ reaches roughly 5,097 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 1U1 on an average day?
It swings with the seasons: from roughly 1,015 ft at the coldest month's average temperature to about 3,900 ft at the warmest month's — all from a constant field elevation of 2,454 ft. The month-by-month table above carries the full year.
What is the field elevation of Moose Creek /Usfs/?
2,454 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 1U1 (FAA), in Moose Creek Ranger Station, Idaho.