Bryan, Ohio · field elev 730 ft
Density Altitude at Williams County (0G6)
Williams County sits at 730 ft, and even a typical July afternoon (85 °F) only lifts density altitude to about 2,552 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 | 24.4 | −1,443 ft | 32.2 | −893 ft |
| February | 26.7 | −1,280 ft | 35.7 | −649 ft |
| March | 36.8 | −573 ft | 46.2 | 69 ft |
| April | 48.2 | 203 ft | 59.7 | 965 ft |
| May | 60.2 | 998 ft | 71.3 | 1,713 ft |
| June | 69.9 | 1,623 ft | 80.8 | 2,310 ft |
| July | 73.5 | 1,852 ft | 84.7 | 2,552 ft |
| August | 71.1 | 1,700 ft | 82.3 | 2,403 ft |
| September | 64.3 | 1,264 ft | 76.4 | 2,035 ft |
| October | 52.3 | 477 ft | 63.7 | 1,225 ft |
| November | 39.5 | −387 ft | 48.8 | 243 ft |
| December | 30.0 | −1,047 ft | 37.5 | −525 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 0G6
DENSITY ALTITUDE
Field elevation 730 ft — the air behaves like 2,570 ft.
- PRESSURE ALT
- 731 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
- KDFI — Defiance Meml
Defiance · elev 707 ft
- KUSE — Fulton County
Wauseon · elev 781 ft
- 7W5 — Henry County
Napoleon · elev 683 ft
- R47 — Ruhes
Leipsic · elev 801 ft
- KTOL — Eugene F Kranz Toledo Express
Toledo · elev 684 ft
- 6D7 — Deshler Municipal Landing Strip
Deshler · elev 706 ft
- KOWX — Putnam County
Ottawa · elev 764 ft
- KVNW — Van Wert County
Van Wert · elev 787 ft
Frequently asked questions
How high does density altitude get at 0G6 in summer?
On a typical July afternoon — around 85 °F at the nearest NOAA normals station — density altitude at Williams County reaches roughly 2,552 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 0G6 on an average day?
It swings with the seasons: from roughly −1,443 ft at the coldest month's average temperature to about 1,852 ft at the warmest month's — all from a constant field elevation of 730 ft. The month-by-month table above carries the full year.
What is the field elevation of Williams County?
730 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 0G6 (FAA), in Bryan, Ohio.