Napoleon, Michigan · field elev 988 ft
Density Altitude at Van Wagnen (6H4)
Van Wagnen sits at 988 ft, and even a typical July afternoon (83 °F) only lifts density altitude to about 2,730 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 | 24.4 | −1,120 ft | 31.3 | −634 ft |
| February | 26.6 | −964 ft | 34.5 | −411 ft |
| March | 36.0 | −307 ft | 45.3 | 328 ft |
| April | 47.8 | 496 ft | 58.5 | 1,205 ft |
| May | 58.8 | 1,224 ft | 69.8 | 1,934 ft |
| June | 68.0 | 1,819 ft | 78.9 | 2,507 ft |
| July | 71.6 | 2,048 ft | 82.5 | 2,730 ft |
| August | 69.9 | 1,940 ft | 80.4 | 2,600 ft |
| September | 62.6 | 1,472 ft | 73.6 | 2,175 ft |
| October | 51.2 | 723 ft | 61.1 | 1,374 ft |
| November | 39.9 | −39 ft | 47.7 | 489 ft |
| December | 29.9 | −732 ft | 36.2 | −293 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 6H4
DENSITY ALTITUDE
Field elevation 988 ft — the air behaves like 2,761 ft.
- PRESSURE ALT
- 989 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
- 3NP — Napoleon
Napoleon · elev 963 ft
- 6G8 — Brooklyn
Brooklyn · elev 981 ft
- 26W — Wolf Lake
Napoleon · elev 980 ft
- KJXN — Jackson County/Reynolds Field
Jackson · elev 1,001 ft
- 75G — Rossettie
Manchester · elev 1,005 ft
- 7N4 — Raymond L Kussmaul Jr Meml
Clinton · elev 825 ft
- KJYM — Hillsdale Municipal
Hillsdale · elev 1,184 ft
- 3TE — Al Meyers
Tecumseh · elev 812 ft
Frequently asked questions
How high does density altitude get at 6H4 in summer?
On a typical July afternoon — around 83 °F at the nearest NOAA normals station — density altitude at Van Wagnen reaches roughly 2,730 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 6H4 on an average day?
It swings with the seasons: from roughly −1,120 ft at the coldest month's average temperature to about 2,048 ft at the warmest month's — all from a constant field elevation of 988 ft. The month-by-month table above carries the full year.
What is the field elevation of Van Wagnen?
988 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 6H4 (FAA), in Napoleon, Michigan.