Port Clinton, Ohio · field elev 590 ft
Density Altitude at Erie-Ottawa International (KPCW)
Erie-Ottawa International sits at 590 ft, and even a typical July afternoon (82 °F) only lifts density altitude to about 2,232 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 | 28.1 | −1,356 ft | 34.4 | −914 ft |
| February | 30.2 | −1,208 ft | 37.0 | −734 ft |
| March | 38.0 | −665 ft | 45.0 | −186 ft |
| April | 49.3 | 103 ft | 57.3 | 635 ft |
| May | 60.8 | 864 ft | 68.5 | 1,362 ft |
| June | 70.8 | 1,509 ft | 78.1 | 1,970 ft |
| July | 74.7 | 1,756 ft | 82.3 | 2,232 ft |
| August | 73.2 | 1,662 ft | 80.5 | 2,120 ft |
| September | 66.7 | 1,246 ft | 74.5 | 1,744 ft |
| October | 55.3 | 503 ft | 63.0 | 1,007 ft |
| November | 43.5 | −288 ft | 50.1 | 157 ft |
| December | 33.6 | −970 ft | 39.3 | −575 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 KPCW
DENSITY ALTITUDE
Field elevation 590 ft — the air behaves like 2,214 ft.
- PRESSURE ALT
- 591 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 Ohio fields
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Kelleys Island · elev 598 ft
- 3T7 — Middle Bass Island
Middle Bass Island · elev 579 ft
- 3W9 — Middle Bass-East Point
Middle Bass Island · elev 582 ft
- 3X5 — North Bass Island
North Bass Island · elev 594 ft
- 88D — Hinde
Huron · elev 609 ft
- S24 — Sandusky County Regional
Fremont · elev 665 ft
- 14G — Fremont
Fremont · elev 663 ft
Frequently asked questions
How high does density altitude get at KPCW in summer?
On a typical July afternoon — around 82 °F at the nearest NOAA normals station — density altitude at Erie-Ottawa International reaches roughly 2,232 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 KPCW on an average day?
It swings with the seasons: from roughly −1,356 ft at the coldest month's average temperature to about 1,756 ft at the warmest month's — all from a constant field elevation of 590 ft. The month-by-month table above carries the full year.
What is the field elevation of Erie-Ottawa International?
590 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KPCW (ICAO) / PCW (FAA), in Port Clinton, Ohio.