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.

worst typical month: July · ≈2,742 ft station: HOWELL WWTP · 4 mi away normals vintage 1991–2020

Typical density altitude by month

From NOAA 1991–2020 monthly normals at HOWELL WWTP (4 mi from the field) · standard pressure, dry air
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

Altimeter-style gauge: field elevation and density altitude needles 03691215 DENSITY ALT ×1,000 FT 2,730 DENSITY ALTITUDE · FEET
field elevation density altitude

DENSITY ALTITUDE 2,730 ft

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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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.