Mc Call, Idaho · field elev 3,982 ft
Density Altitude at Krassel Usfs (24K)
From a field elevation of 3,982 ft, a typical July afternoon at Krassel Usfs (85 °F) raises density altitude to about 6,513 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 | 19.7 | 2,295 ft | 30.0 | 3,008 ft |
| February | 24.1 | 2,602 ft | 36.2 | 3,429 ft |
| March | 33.0 | 3,212 ft | 45.1 | 4,021 ft |
| April | 40.9 | 3,743 ft | 54.6 | 4,639 ft |
| May | 48.6 | 4,250 ft | 63.8 | 5,224 ft ▲ |
| June | 55.7 | 4,709 ft | 72.2 | 5,747 ft ▲ |
| July | 64.0 | 5,236 ft | 84.8 | 6,513 ft ▲ |
| August | 62.7 | 5,155 ft | 84.6 | 6,501 ft ▲ |
| September | 53.8 | 4,587 ft | 74.7 | 5,901 ft ▲ |
| October | 42.0 | 3,816 ft | 58.9 | 4,914 ft |
| November | 30.6 | 3,049 ft | 41.9 | 3,809 ft |
| December | 21.7 | 2,435 ft | 30.7 | 3,056 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 24K
DENSITY ALTITUDE caution
Field elevation 3,982 ft — the air behaves like 6,525 ft.
- PRESSURE ALT
- 3,984 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
- I92 — Reed Ranch
Yellow Pine · elev 4,157 ft
- 3U2 — Johnson Creek
Yellow Pine · elev 4,960 ft
- KMYL — Mc Call Municipal
Mc Call · elev 5,024 ft
- 3U1 — Warren /Usfs/
Warren · elev 5,902 ft
- U60 — Big Creek
Big Creek · elev 5,743 ft
- U84 — Donald D Coski Meml
Donnelly · elev 4,860 ft
- 0U0 — Landmark Usfs
Landmark · elev 6,662 ft
- 1U4 — New Meadows
New Meadows · elev 3,908 ft
Frequently asked questions
How high does density altitude get at 24K in summer?
On a typical July afternoon — around 85 °F at the nearest NOAA normals station — density altitude at Krassel Usfs reaches roughly 6,513 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 24K on an average day?
It swings with the seasons: from roughly 2,295 ft at the coldest month's average temperature to about 5,236 ft at the warmest month's — all from a constant field elevation of 3,982 ft. The month-by-month table above carries the full year.
What is the field elevation of Krassel Usfs?
3,982 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 24K (FAA), in Mc Call, Idaho.