Bucyrus, Ohio · field elev 1,008 ft
Density Altitude at Port Bucyrus/Crawford County (17G)
Port Bucyrus/Crawford County sits at 1,008 ft, and even a typical July afternoon (86 °F) only lifts density altitude to about 2,946 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 | 27.9 | −847 ft | 35.3 | −331 ft |
| February | 30.0 | −700 ft | 38.1 | −138 ft |
| March | 39.3 | −55 ft | 48.6 | 575 ft |
| April | 51.2 | 748 ft | 62.5 | 1,490 ft |
| May | 62.3 | 1,477 ft | 73.6 | 2,199 ft |
| June | 71.5 | 2,066 ft | 82.3 | 2,743 ft |
| July | 74.8 | 2,275 ft | 85.6 | 2,946 ft |
| August | 73.1 | 2,168 ft | 83.9 | 2,841 ft |
| September | 66.7 | 1,760 ft | 78.0 | 2,475 ft |
| October | 54.7 | 980 ft | 65.2 | 1,664 ft |
| November | 42.9 | 190 ft | 51.4 | 761 ft |
| December | 33.3 | −469 ft | 40.2 | 6 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 17G
DENSITY ALTITUDE
Field elevation 1,008 ft — the air behaves like 2,970 ft.
- PRESSURE ALT
- 1,009 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
- KMNN — Marion Municipal
Marion · elev 993 ft
- KGQQ — Galion Municipal
Galion · elev 1,224 ft
- 12G — Shelby Community
Shelby · elev 1,120 ft
- 4I9 — Morrow County
Mount Gilead · elev 1,086 ft
- 56D — Wyandot County
Upper Sandusky · elev 830 ft
- 8G1 — Willard
Willard · elev 967 ft
- KMFD — Mansfield Lahm Regional
Mansfield · elev 1,297 ft
- 16G — Seneca County
Tiffin · elev 786 ft
Frequently asked questions
How high does density altitude get at 17G in summer?
On a typical July afternoon — around 86 °F at the nearest NOAA normals station — density altitude at Port Bucyrus/Crawford County reaches roughly 2,946 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 17G on an average day?
It swings with the seasons: from roughly −847 ft at the coldest month's average temperature to about 2,275 ft at the warmest month's — all from a constant field elevation of 1,008 ft. The month-by-month table above carries the full year.
What is the field elevation of Port Bucyrus/Crawford County?
1,008 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 17G (FAA), in Bucyrus, Ohio.