North Bass Island, Ohio · field elev 594 ft
Density Altitude at North Bass Island (3X5)
North Bass Island sits at 594 ft, and even a typical July afternoon (82 °F) only lifts density altitude to about 2,237 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 | −1,351 ft | 34.4 | −909 ft |
| February | 30.2 | −1,203 ft | 37.0 | −729 ft |
| March | 38.0 | −660 ft | 45.0 | −181 ft |
| April | 49.3 | 108 ft | 57.3 | 640 ft |
| May | 60.8 | 869 ft | 68.5 | 1,367 ft |
| June | 70.8 | 1,514 ft | 78.1 | 1,975 ft |
| July | 74.7 | 1,761 ft | 82.3 | 2,237 ft |
| August | 73.2 | 1,666 ft | 80.5 | 2,125 ft |
| September | 66.7 | 1,251 ft | 74.5 | 1,749 ft |
| October | 55.3 | 508 ft | 63.0 | 1,012 ft |
| November | 43.5 | −283 ft | 50.1 | 162 ft |
| December | 33.6 | −965 ft | 39.3 | −571 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 3X5
DENSITY ALTITUDE
Field elevation 594 ft — the air behaves like 2,219 ft.
- PRESSURE ALT
- 595 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
- 3W9 — Middle Bass-East Point
Middle Bass Island · elev 582 ft
- 3T7 — Middle Bass Island
Middle Bass Island · elev 579 ft
- 3W2 — Put In Bay
Put In Bay · elev 595 ft
- 89D — Kelleys Island Land Field
Kelleys Island · elev 598 ft
- KPCW — Erie-Ottawa International
Port Clinton · elev 590 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 3X5 in summer?
On a typical July afternoon — around 82 °F at the nearest NOAA normals station — density altitude at North Bass Island reaches roughly 2,237 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 3X5 on an average day?
It swings with the seasons: from roughly −1,351 ft at the coldest month's average temperature to about 1,761 ft at the warmest month's — all from a constant field elevation of 594 ft. The month-by-month table above carries the full year.
What is the field elevation of North Bass Island?
594 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 3X5 (FAA), in North Bass Island, Ohio.