Howell, Michigan · field elev 962 ft
Density Altitude at Livingston County/Spencer J Hardy (KOZW)
Livingston County/Spencer J Hardy sits at 962 ft, and even a typical July afternoon (83 °F) only lifts density altitude to about 2,742 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 | −1,267 ft | 31.2 | −673 ft |
| February | 24.7 | −1,131 ft | 34.8 | −422 ft |
| March | 34.0 | −478 ft | 44.3 | 228 ft |
| April | 45.8 | 329 ft | 57.6 | 1,114 ft |
| May | 57.1 | 1,081 ft | 69.3 | 1,870 ft |
| June | 67.1 | 1,729 ft | 79.3 | 2,500 ft |
| July | 70.5 | 1,946 ft | 83.2 | 2,742 ft |
| August | 68.9 | 1,844 ft | 81.2 | 2,618 ft |
| September | 61.7 | 1,381 ft | 74.6 | 2,206 ft |
| October | 50.1 | 618 ft | 61.8 | 1,388 ft |
| November | 38.6 | −160 ft | 48.2 | 491 ft |
| December | 28.7 | −848 ft | 36.3 | −319 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 KOZW
DENSITY ALTITUDE
Field elevation 962 ft — the air behaves like 2,730 ft.
- PRESSURE ALT
- 963 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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- 69G — Richmond Field
Gregory · elev 921 ft
- 9G2 — Prices
Linden · elev 919 ft
- Y47 — Oakland Southwest
New Hudson · elev 926 ft
- KTEW — Mason Jewett Field
Mason · elev 919 ft
- KFNT — Bishop International
Flint · elev 782 ft
- KRNP — Owosso Community
Owosso · elev 737 ft
Frequently asked questions
How high does density altitude get at KOZW in summer?
On a typical July afternoon — around 83 °F at the nearest NOAA normals station — density altitude at Livingston County/Spencer J Hardy reaches roughly 2,742 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 KOZW on an average day?
It swings with the seasons: from roughly −1,267 ft at the coldest month's average temperature to about 1,946 ft at the warmest month's — all from a constant field elevation of 962 ft. The month-by-month table above carries the full year.
What is the field elevation of Livingston County/Spencer J Hardy?
962 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KOZW (ICAO) / OZW (FAA), in Howell, Michigan.