Gladwin, Michigan · field elev 774 ft
Density Altitude at Gladwin Zettel Meml (KGDW)
Gladwin Zettel Meml sits at 774 ft, and even a typical July afternoon (82 °F) only lifts density altitude to about 2,438 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 | 20.9 | −1,639 ft | 29.2 | −1,048 ft |
| February | 22.2 | −1,545 ft | 32.0 | −852 ft |
| March | 31.5 | −887 ft | 42.6 | −121 ft |
| April | 43.3 | −73 ft | 55.5 | 744 ft |
| May | 55.5 | 744 ft | 68.4 | 1,582 ft |
| June | 65.5 | 1,395 ft | 78.1 | 2,195 ft |
| July | 69.6 | 1,658 ft | 82.0 | 2,438 ft |
| August | 67.6 | 1,530 ft | 79.9 | 2,308 ft |
| September | 60.1 | 1,045 ft | 72.7 | 1,855 ft |
| October | 48.3 | 264 ft | 59.5 | 1,006 ft |
| November | 36.9 | −512 ft | 45.6 | 83 ft |
| December | 27.1 | −1,197 ft | 34.3 | −692 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 KGDW
DENSITY ALTITUDE
Field elevation 774 ft — the air behaves like 2,438 ft.
- PRESSURE ALT
- 775 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
- 5M6 — Sugar Springs Airpark
Gladwin · elev 953 ft
- 48D — Clare Municipal
Clare · elev 856 ft
- 80D — Clare County
Harrison · elev 1,142 ft
- MI1 — Denton Farms
Clare · elev 851 ft
- KIKW — Jack Barstow
Midland · elev 635 ft
- Y31 — West Branch Community
West Branch · elev 882 ft
- 52I — Gross
Pinconning · elev 618 ft
- KMOP — Mount Pleasant Municipal
Mount Pleasant · elev 755 ft
Frequently asked questions
How high does density altitude get at KGDW in summer?
On a typical July afternoon — around 82 °F at the nearest NOAA normals station — density altitude at Gladwin Zettel Meml reaches roughly 2,438 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 KGDW on an average day?
It swings with the seasons: from roughly −1,639 ft at the coldest month's average temperature to about 1,658 ft at the warmest month's — all from a constant field elevation of 774 ft. The month-by-month table above carries the full year.
What is the field elevation of Gladwin Zettel Meml?
774 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KGDW (ICAO) / GDW (FAA), in Gladwin, Michigan.