Clinton, Michigan · field elev 825 ft
Density Altitude at Raymond L Kussmaul Jr Meml (7N4)
Raymond L Kussmaul Jr Meml sits at 825 ft, and even a typical July afternoon (86 °F) only lifts density altitude to about 2,729 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 | 23.7 | −1,374 ft | 32.5 | −753 ft |
| February | 26.3 | −1,189 ft | 36.4 | −483 ft |
| March | 35.4 | −552 ft | 46.4 | 200 ft |
| April | 46.8 | 227 ft | 59.5 | 1,069 ft |
| May | 58.1 | 977 ft | 71.1 | 1,816 ft |
| June | 68.1 | 1,625 ft | 80.9 | 2,432 ft |
| July | 72.3 | 1,893 ft | 85.7 | 2,729 ft |
| August | 70.0 | 1,746 ft | 82.7 | 2,544 ft |
| September | 63.0 | 1,297 ft | 76.2 | 2,139 ft |
| October | 51.0 | 508 ft | 63.2 | 1,310 ft |
| November | 38.7 | −324 ft | 48.7 | 354 ft |
| December | 29.6 | −956 ft | 37.9 | −379 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 7N4
DENSITY ALTITUDE
Field elevation 825 ft — the air behaves like 2,747 ft.
- PRESSURE ALT
- 826 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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Frequently asked questions
How high does density altitude get at 7N4 in summer?
On a typical July afternoon — around 86 °F at the nearest NOAA normals station — density altitude at Raymond L Kussmaul Jr Meml reaches roughly 2,729 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 7N4 on an average day?
It swings with the seasons: from roughly −1,374 ft at the coldest month's average temperature to about 1,893 ft at the warmest month's — all from a constant field elevation of 825 ft. The month-by-month table above carries the full year.
What is the field elevation of Raymond L Kussmaul Jr Meml?
825 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 7N4 (FAA), in Clinton, Michigan.