Piqua, Ohio · field elev 993 ft
Density Altitude at Piqua/Hartzell Field (I17)
Piqua/Hartzell Field sits at 993 ft, and even a typical July afternoon (84 °F) only lifts density altitude to about 2,848 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 | 28.3 | −838 ft | 35.9 | −308 ft |
| February | 32.0 | −578 ft | 40.8 | 29 ft |
| March | 41.1 | 49 ft | 50.8 | 703 ft |
| April | 52.6 | 822 ft | 63.9 | 1,562 ft |
| May | 63.3 | 1,523 ft | 74.2 | 2,219 ft |
| June | 71.1 | 2,023 ft | 81.4 | 2,668 ft |
| July | 74.4 | 2,231 ft | 84.3 | 2,848 ft |
| August | 72.5 | 2,111 ft | 83.0 | 2,767 ft |
| September | 66.5 | 1,729 ft | 77.9 | 2,451 ft |
| October | 54.5 | 948 ft | 65.5 | 1,665 ft |
| November | 43.1 | 185 ft | 52.3 | 803 ft |
| December | 32.7 | −530 ft | 40.1 | −19 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 I17
DENSITY ALTITUDE
Field elevation 993 ft — the air behaves like 2,829 ft.
- PRESSURE ALT
- 994 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
- KSCA — Sidney Municipal
Sidney · elev 1,044 ft
- 1WF — Waco Field
Troy · elev 817 ft
- KVES — Darke County
Versailles · elev 1,007 ft
- 3I7 — Dayton/Phillipsburg
Dayton · elev 1,028 ft
- KDAY — James M Cox Dayton International
Dayton · elev 1,009 ft
- KAXV — Neil Armstrong
Wapakoneta · elev 912 ft
- KCQA — Lakefield
Celina · elev 894 ft
- I54 — Mad River Airpark
Tremont City · elev 958 ft
Frequently asked questions
How high does density altitude get at I17 in summer?
On a typical July afternoon — around 84 °F at the nearest NOAA normals station — density altitude at Piqua/Hartzell Field reaches roughly 2,848 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 I17 on an average day?
It swings with the seasons: from roughly −838 ft at the coldest month's average temperature to about 2,231 ft at the warmest month's — all from a constant field elevation of 993 ft. The month-by-month table above carries the full year.
What is the field elevation of Piqua/Hartzell Field?
993 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is I17 (FAA), in Piqua, Ohio.