Chesaning, Michigan · field elev 641 ft
Density Altitude at Howard Nixon Meml (50G)
Howard Nixon Meml sits at 641 ft, and even a typical July afternoon (82 °F) only lifts density altitude to about 2,270 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 | 23.0 | −1,655 ft | 30.3 | −1,137 ft |
| February | 24.7 | −1,534 ft | 33.1 | −941 ft |
| March | 33.6 | −906 ft | 43.3 | −239 ft |
| April | 45.5 | −89 ft | 56.5 | 645 ft |
| May | 57.4 | 704 ft | 68.7 | 1,438 ft |
| June | 67.0 | 1,328 ft | 78.1 | 2,033 ft |
| July | 70.8 | 1,572 ft | 81.9 | 2,270 ft |
| August | 69.3 | 1,476 ft | 80.0 | 2,151 ft |
| September | 62.3 | 1,025 ft | 73.5 | 1,743 ft |
| October | 50.3 | 234 ft | 60.6 | 914 ft |
| November | 38.8 | −546 ft | 47.0 | 12 ft |
| December | 29.0 | −1,229 ft | 35.5 | −774 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 50G
DENSITY ALTITUDE
Field elevation 641 ft — the air behaves like 2,276 ft.
- PRESSURE ALT
- 642 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 50G in summer?
On a typical July afternoon — around 82 °F at the nearest NOAA normals station — density altitude at Howard Nixon Meml reaches roughly 2,270 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 50G on an average day?
It swings with the seasons: from roughly −1,655 ft at the coldest month's average temperature to about 1,572 ft at the warmest month's — all from a constant field elevation of 641 ft. The month-by-month table above carries the full year.
What is the field elevation of Howard Nixon Meml?
641 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 50G (FAA), in Chesaning, Michigan.