Independence, Oregon · field elev 180 ft
Density Altitude at Independence State (7S5)
Independence State sits at 180 ft, and even a typical August afternoon (83 °F) only lifts density altitude to about 1,781 ft — heat still trims performance, but the field rarely turns high-and-hot.
Typical density altitude by month
| Month | Avg temp °F | DA at avg temp | Afternoon high °F | DA on a typical afternoon |
|---|---|---|---|---|
| January | 40.9 | −976 ft | 46.6 | −587 ft |
| February | 43.1 | −825 ft | 50.6 | −317 ft |
| March | 46.7 | −580 ft | 55.8 | 29 ft |
| April | 50.4 | −331 ft | 60.7 | 352 ft |
| May | 56.7 | 89 ft | 68.3 | 845 ft |
| June | 61.0 | 372 ft | 73.2 | 1,159 ft |
| July | 67.3 | 781 ft | 82.5 | 1,744 ft |
| August | 67.6 | 800 ft | 83.1 | 1,781 ft |
| September | 63.4 | 528 ft | 77.6 | 1,437 ft |
| October | 54.2 | −77 ft | 64.5 | 600 ft |
| November | 45.3 | −675 ft | 52.1 | −217 ft |
| December | 40.1 | −1,031 ft | 45.5 | −662 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 7S5
DENSITY ALTITUDE
Field elevation 180 ft — the air behaves like 1,775 ft.
- PRESSURE ALT
- 181 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 Oregon fields
- KSLE — Mcnary Field
Salem · elev 213 ft
- S12 — Albany Municipal
Albany · elev 227 ft
- KMMV — Mc Minnville Municipal
Mc Minnville · elev 163 ft
- KCVO — Corvallis Municipal
Corvallis · elev 250 ft
- S30 — Lebanon State
Lebanon · elev 349 ft
- 7S9 — Lenhardt Airpark
Hubbard · elev 165 ft
- 2S6 — Sportsman Airpark
Newberg · elev 181 ft
- 17S — Chehalem Airpark
Newberg · elev 190 ft
Frequently asked questions
How high does density altitude get at 7S5 in summer?
On a typical August afternoon — around 83 °F at the nearest NOAA normals station — density altitude at Independence State reaches roughly 1,781 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 7S5 on an average day?
It swings with the seasons: from roughly −1,031 ft at the coldest month's average temperature to about 800 ft at the warmest month's — all from a constant field elevation of 180 ft. The month-by-month table above carries the full year.
What is the field elevation of Independence State?
180 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 7S5 (FAA), in Independence, Oregon.