Pinconning, Michigan · field elev 618 ft
Density Altitude at Gross (52I)
Gross sits at 618 ft, and even a typical July afternoon (80 °F) only lifts density altitude to about 2,130 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 | 21.1 | −1,820 ft | 28.2 | −1,314 ft |
| February | 22.2 | −1,741 ft | 30.3 | −1,166 ft |
| March | 31.5 | −1,082 ft | 40.2 | −479 ft |
| April | 43.1 | −281 ft | 53.2 | 398 ft |
| May | 55.1 | 524 ft | 65.9 | 1,229 ft |
| June | 65.0 | 1,171 ft | 75.8 | 1,860 ft |
| July | 69.2 | 1,441 ft | 80.1 | 2,130 ft |
| August | 67.5 | 1,332 ft | 78.3 | 2,017 ft |
| September | 60.2 | 860 ft | 71.5 | 1,588 ft |
| October | 48.8 | 105 ft | 58.5 | 748 ft |
| November | 37.6 | −658 ft | 44.8 | −165 ft |
| December | 27.8 | −1,342 ft | 33.6 | −935 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 52I
DENSITY ALTITUDE
Field elevation 618 ft — the air behaves like 2,123 ft.
- PRESSURE ALT
- 619 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 Michigan fields
- KIKW — Jack Barstow
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- 3CM — James Clements Municipal
Bay City · elev 585 ft
- KMBS — Mbs International
Saginaw · elev 668 ft
- KGDW — Gladwin Zettel Meml
Gladwin · elev 774 ft
- 98G — Sebewaing Township
Sebewaing · elev 584 ft
- Y31 — West Branch Community
West Branch · elev 882 ft
- 5M6 — Sugar Springs Airpark
Gladwin · elev 953 ft
- KHYX — Saginaw County/H W Browne
Saginaw · elev 602 ft
Frequently asked questions
How high does density altitude get at 52I in summer?
On a typical July afternoon — around 80 °F at the nearest NOAA normals station — density altitude at Gross reaches roughly 2,130 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 52I on an average day?
It swings with the seasons: from roughly −1,820 ft at the coldest month's average temperature to about 1,441 ft at the warmest month's — all from a constant field elevation of 618 ft. The month-by-month table above carries the full year.
What is the field elevation of Gross?
618 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 52I (FAA), in Pinconning, Michigan.