Tiffin, Ohio · field elev 786 ft
Density Altitude at Seneca County (16G)
Seneca County sits at 786 ft, and even a typical July afternoon (84 °F) only lifts density altitude to about 2,571 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 | 26.0 | −1,259 ft | 33.3 | −746 ft |
| February | 28.4 | −1,090 ft | 36.4 | −531 ft |
| March | 37.6 | −448 ft | 46.5 | 158 ft |
| April | 49.4 | 353 ft | 60.0 | 1,054 ft |
| May | 61.0 | 1,119 ft | 71.5 | 1,794 ft |
| June | 70.2 | 1,711 ft | 80.5 | 2,360 ft |
| July | 73.7 | 1,933 ft | 83.9 | 2,571 ft |
| August | 72.1 | 1,832 ft | 82.5 | 2,484 ft |
| September | 65.5 | 1,410 ft | 76.7 | 2,122 ft |
| October | 53.3 | 613 ft | 63.8 | 1,301 ft |
| November | 41.5 | −181 ft | 49.7 | 373 ft |
| December | 31.3 | −886 ft | 38.2 | −407 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 16G
DENSITY ALTITUDE
Field elevation 786 ft — the air behaves like 2,577 ft.
- PRESSURE ALT
- 787 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
- KFZI — Donald P Miller
Fostoria · elev 752 ft
- 56D — Wyandot County
Upper Sandusky · elev 830 ft
- 5D9 — Bandit Field Airdrome
Clyde · elev 805 ft
- S24 — Sandusky County Regional
Fremont · elev 665 ft
- 14G — Fremont
Fremont · elev 663 ft
- KFDY — Findlay
Findlay · elev 813 ft
- 17G — Port Bucyrus/Crawford County
Bucyrus · elev 1,008 ft
- 8G1 — Willard
Willard · elev 967 ft
Frequently asked questions
How high does density altitude get at 16G in summer?
On a typical July afternoon — around 84 °F at the nearest NOAA normals station — density altitude at Seneca County reaches roughly 2,571 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 16G on an average day?
It swings with the seasons: from roughly −1,259 ft at the coldest month's average temperature to about 1,933 ft at the warmest month's — all from a constant field elevation of 786 ft. The month-by-month table above carries the full year.
What is the field elevation of Seneca County?
786 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 16G (FAA), in Tiffin, Ohio.