Shelby, Ohio · field elev 1,120 ft
Density Altitude at Shelby Community (12G)
Shelby Community sits at 1,120 ft, and even a typical July afternoon (84 °F) only lifts density altitude to about 2,953 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 | 25.5 | −877 ft | 33.4 | −323 ft |
| February | 27.7 | −721 ft | 36.2 | −129 ft |
| March | 37.1 | −67 ft | 46.6 | 579 ft |
| April | 49.1 | 747 ft | 60.0 | 1,465 ft |
| May | 60.0 | 1,465 ft | 71.0 | 2,172 ft |
| June | 69.3 | 2,064 ft | 80.3 | 2,755 ft |
| July | 72.3 | 2,254 ft | 83.5 | 2,953 ft |
| August | 71.3 | 2,191 ft | 82.2 | 2,873 ft |
| September | 64.5 | 1,757 ft | 75.7 | 2,468 ft |
| October | 52.3 | 960 ft | 62.9 | 1,653 ft |
| November | 40.7 | 180 ft | 49.0 | 740 ft |
| December | 31.7 | −441 ft | 38.9 | 57 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 12G
DENSITY ALTITUDE
Field elevation 1,120 ft — the air behaves like 2,984 ft.
- PRESSURE ALT
- 1,121 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
- KGQQ — Galion Municipal
Galion · elev 1,224 ft
- KMFD — Mansfield Lahm Regional
Mansfield · elev 1,297 ft
- 8G1 — Willard
Willard · elev 967 ft
- 17G — Port Bucyrus/Crawford County
Bucyrus · elev 1,008 ft
- 3G4 — Ashland County
Ashland · elev 1,207 ft
- 4I9 — Morrow County
Mount Gilead · elev 1,086 ft
- KMNN — Marion Municipal
Marion · elev 993 ft
- 5A1 — Norwalk/Huron County
Norwalk · elev 853 ft
Frequently asked questions
How high does density altitude get at 12G in summer?
On a typical July afternoon — around 84 °F at the nearest NOAA normals station — density altitude at Shelby Community reaches roughly 2,953 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 12G on an average day?
It swings with the seasons: from roughly −877 ft at the coldest month's average temperature to about 2,254 ft at the warmest month's — all from a constant field elevation of 1,120 ft. The month-by-month table above carries the full year.
What is the field elevation of Shelby Community?
1,120 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 12G (FAA), in Shelby, Ohio.