Sebewaing, Michigan · field elev 584 ft
Density Altitude at Sebewaing Township (98G)
Sebewaing Township sits at 584 ft, and even a typical July afternoon (82 °F) only lifts density altitude to about 2,200 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 | 22.0 | −1,798 ft | 29.4 | −1,272 ft |
| February | 23.1 | −1,719 ft | 31.5 | −1,124 ft |
| March | 32.4 | −1,061 ft | 41.7 | −418 ft |
| April | 44.4 | −235 ft | 55.3 | 496 ft |
| May | 56.4 | 568 ft | 68.0 | 1,323 ft |
| June | 66.3 | 1,213 ft | 78.1 | 1,963 ft |
| July | 70.7 | 1,495 ft | 81.9 | 2,200 ft |
| August | 68.6 | 1,361 ft | 79.9 | 2,076 ft |
| September | 61.5 | 902 ft | 72.9 | 1,635 ft |
| October | 49.7 | 123 ft | 59.8 | 791 ft |
| November | 38.3 | −652 ft | 46.1 | −119 ft |
| December | 28.3 | −1,350 ft | 34.6 | −908 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 98G
DENSITY ALTITUDE
Field elevation 584 ft — the air behaves like 2,206 ft.
- PRESSURE ALT
- 585 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
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- 52I — Gross
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- 66G — Wm 'Tiny' Zehnder Field
Frankenmuth · elev 639 ft
Frequently asked questions
How high does density altitude get at 98G in summer?
On a typical July afternoon — around 82 °F at the nearest NOAA normals station — density altitude at Sebewaing Township reaches roughly 2,200 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 98G on an average day?
It swings with the seasons: from roughly −1,798 ft at the coldest month's average temperature to about 1,495 ft at the warmest month's — all from a constant field elevation of 584 ft. The month-by-month table above carries the full year.
What is the field elevation of Sebewaing Township?
584 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 98G (FAA), in Sebewaing, Michigan.