New Hudson, Michigan · field elev 926 ft
Density Altitude at Oakland Southwest (Y47)
Oakland Southwest sits at 926 ft, and even a typical July afternoon (82 °F) only lifts density altitude to about 2,642 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 | 22.8 | −1,312 ft | 30.9 | −739 ft |
| February | 24.5 | −1,191 ft | 34.0 | −523 ft |
| March | 34.2 | −509 ft | 44.7 | 210 ft |
| April | 46.3 | 318 ft | 57.6 | 1,069 ft |
| May | 57.8 | 1,082 ft | 69.6 | 1,845 ft |
| June | 67.1 | 1,685 ft | 78.4 | 2,400 ft |
| July | 71.0 | 1,934 ft | 82.3 | 2,642 ft |
| August | 69.3 | 1,826 ft | 80.1 | 2,506 ft |
| September | 62.2 | 1,369 ft | 73.5 | 2,092 ft |
| October | 50.4 | 593 ft | 60.7 | 1,272 ft |
| November | 38.3 | −226 ft | 47.2 | 379 ft |
| December | 28.1 | −936 ft | 35.5 | −419 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 Y47
DENSITY ALTITUDE
Field elevation 926 ft — the air behaves like 2,624 ft.
- PRESSURE ALT
- 927 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
- 45G — Brighton
Brighton · elev 973 ft
- 1D2 — Canton-Plymouth-Mettetal
Plymouth · elev 696 ft
- KPTK — Oakland County International
Pontiac · elev 981 ft
- KYIP — Willow Run
Detroit · elev 716 ft
- KOZW — Livingston County/Spencer J Hardy
Howell · elev 962 ft
- KARB — Ann Arbor Municipal
Ann Arbor · elev 839 ft
- 9G2 — Prices
Linden · elev 919 ft
- 69G — Richmond Field
Gregory · elev 921 ft
Frequently asked questions
How high does density altitude get at Y47 in summer?
On a typical July afternoon — around 82 °F at the nearest NOAA normals station — density altitude at Oakland Southwest reaches roughly 2,642 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 Y47 on an average day?
It swings with the seasons: from roughly −1,312 ft at the coldest month's average temperature to about 1,934 ft at the warmest month's — all from a constant field elevation of 926 ft. The month-by-month table above carries the full year.
What is the field elevation of Oakland Southwest?
926 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is Y47 (FAA), in New Hudson, Michigan.