Pine, Idaho · field elev 4,232 ft
Density Altitude at Pine (1U9)
From a field elevation of 4,232 ft, a typical July afternoon at Pine (85 °F) raises density altitude to about 6,840 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 | 19.1 | 2,566 ft | 29.0 | 3,251 ft |
| February | 21.8 | 2,754 ft | 31.8 | 3,442 ft |
| March | 31.4 | 3,414 ft | 42.1 | 4,132 ft |
| April | 41.5 | 4,092 ft | 54.3 | 4,927 ft |
| May | 50.0 | 4,649 ft | 64.9 | 5,599 ft ▲ |
| June | 57.4 | 5,125 ft | 74.5 | 6,193 ft ▲ |
| July | 66.0 | 5,668 ft | 85.2 | 6,840 ft ▲ |
| August | 64.9 | 5,599 ft | 85.1 | 6,834 ft ▲ |
| September | 56.3 | 5,055 ft | 75.7 | 6,267 ft ▲ |
| October | 44.4 | 4,283 ft | 60.6 | 5,328 ft ▲ |
| November | 31.4 | 3,414 ft | 43.1 | 4,198 ft |
| December | 20.5 | 2,664 ft | 30.4 | 3,346 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 1U9
DENSITY ALTITUDE caution
Field elevation 4,232 ft — the air behaves like 6,828 ft.
- PRESSURE ALT
- 4,234 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
- 2U0 — Smith Prairie
Prairie · elev 4,958 ft
- 52U — Weatherby Usfs
Atlanta · elev 4,503 ft
- 55H — Atlanta
Atlanta · elev 5,500 ft
- U86 — Fairfield/Frostenson Airfield
Fairfield · elev 5,058 ft
- U76 — Mountain Home Municipal
Mountain Home · elev 3,167 ft
- U45 — Graham Usfs
Atlanta · elev 5,726 ft
- U89 — Glenns Ferry Municipal
Glenns Ferry · elev 2,536 ft
- U98 — Idaho City Usfs
Idaho City · elev 3,920 ft
Frequently asked questions
How high does density altitude get at 1U9 in summer?
On a typical July afternoon — around 85 °F at the nearest NOAA normals station — density altitude at Pine reaches roughly 6,840 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 1U9 on an average day?
It swings with the seasons: from roughly 2,566 ft at the coldest month's average temperature to about 5,668 ft at the warmest month's — all from a constant field elevation of 4,232 ft. The month-by-month table above carries the full year.
What is the field elevation of Pine?
4,232 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 1U9 (FAA), in Pine, Idaho.