Salem, Ohio · field elev 1,327 ft

Density Altitude at Koons (8G8)

Koons sits at 1,327 ft, and even a typical July afternoon (82 °F) only lifts density altitude to about 3,095 ft — heat still trims performance, but the field rarely turns high-and-hot.

worst typical month: July · ≈3,095 ft station: MILLPORT 4 NE · 8 mi away normals vintage 1991–2020

Typical density altitude by month

From NOAA 1991–2020 monthly normals at MILLPORT 4 NE (8 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 26.4 −554 ft 34.0 −23 ft
February 29.1 −364 ft 37.7 232 ft
March 37.5 218 ft 47.6 903 ft
April 49.4 1,023 ft 60.6 1,759 ft
May 59.0 1,655 ft 70.0 2,362 ft
June 67.5 2,203 ft 78.2 2,878 ft
July 71.3 2,445 ft 81.7 3,095 ft
August 70.4 2,388 ft 81.0 3,051 ft
September 63.3 1,934 ft 74.3 2,634 ft
October 52.2 1,209 ft 62.6 1,889 ft
November 40.9 451 ft 49.5 1,030 ft
December 31.6 −189 ft 38.6 294 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 8G8

Altimeter-style gauge: field elevation and density altitude needles 03691215 DENSITY ALT ×1,000 FT 3,113 DENSITY ALTITUDE · FEET
field elevation density altitude

DENSITY ALTITUDE 3,113 ft

Field elevation 1,327 ft — the air behaves like 3,113 ft.

PRESSURE ALT
1,328 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 8G8 in summer?

On a typical July afternoon — around 82 °F at the nearest NOAA normals station — density altitude at Koons reaches roughly 3,095 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 8G8 on an average day?

It swings with the seasons: from roughly −554 ft at the coldest month's average temperature to about 2,445 ft at the warmest month's — all from a constant field elevation of 1,327 ft. The month-by-month table above carries the full year.

What is the field elevation of Koons?

1,327 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 8G8 (FAA), in Salem, Ohio.