Salem, Ohio · field elev 1,162 ft

Density Altitude at Salem Airpark (38D)

Salem Airpark sits at 1,162 ft, and even a typical July afternoon (82 °F) only lifts density altitude to about 2,893 ft — heat still trims performance, but the field rarely turns high-and-hot.

worst typical month: July · ≈2,893 ft station: MILLPORT 4 NE · 12 mi away normals vintage 1991–2020

Typical density altitude by month

From NOAA 1991–2020 monthly normals at MILLPORT 4 NE (12 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 −760 ft 34.0 −229 ft
February 29.1 −570 ft 37.7 27 ft
March 37.5 13 ft 47.6 698 ft
April 49.4 819 ft 60.6 1,556 ft
May 59.0 1,452 ft 70.0 2,160 ft
June 67.5 2,001 ft 78.2 2,676 ft
July 71.3 2,242 ft 81.7 2,893 ft
August 70.4 2,185 ft 81.0 2,850 ft
September 63.3 1,731 ft 74.3 2,432 ft
October 52.2 1,005 ft 62.6 1,686 ft
November 40.9 246 ft 49.5 825 ft
December 31.6 −395 ft 38.6 88 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 38D

Altimeter-style gauge: field elevation and density altitude needles 03691215 DENSITY ALT ×1,000 FT 2,912 DENSITY ALTITUDE · FEET
field elevation density altitude

DENSITY ALTITUDE 2,912 ft

Field elevation 1,162 ft — the air behaves like 2,912 ft.

PRESSURE ALT
1,163 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 38D in summer?

On a typical July afternoon — around 82 °F at the nearest NOAA normals station — density altitude at Salem Airpark reaches roughly 2,893 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 38D on an average day?

It swings with the seasons: from roughly −760 ft at the coldest month's average temperature to about 2,242 ft at the warmest month's — all from a constant field elevation of 1,162 ft. The month-by-month table above carries the full year.

What is the field elevation of Salem Airpark?

1,162 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 38D (FAA), in Salem, Ohio.