Marshall, Arkansas · field elev 964 ft

Density Altitude at Searcy County (4A5)

Searcy County sits at 964 ft, and even a typical July afternoon (89 °F) only lifts density altitude to about 3,112 ft — heat still trims performance, but the field rarely turns high-and-hot.

worst typical month: July · ≈3,112 ft station: MARSHALL · 1 mi away normals vintage 1991–2020

Typical density altitude by month

From NOAA 1991–2020 monthly normals at MARSHALL (1 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 36.6 −296 ft 47.2 426 ft
February 40.6 −21 ft 51.8 733 ft
March 48.6 520 ft 60.5 1,306 ft
April 57.6 1,116 ft 69.9 1,911 ft
May 66.0 1,661 ft 76.8 2,346 ft
June 74.1 2,177 ft 84.8 2,843 ft
July 78.4 2,446 ft 89.2 3,112 ft
August 77.5 2,390 ft 89.0 3,100 ft
September 69.9 1,911 ft 82.0 2,670 ft
October 59.3 1,227 ft 71.6 2,019 ft
November 48.7 527 ft 59.8 1,260 ft
December 39.7 −83 ft 50.0 614 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 4A5

Altimeter-style gauge: field elevation and density altitude needles 03691215 DENSITY ALT ×1,000 FT 3,100 DENSITY ALTITUDE · FEET
field elevation density altitude

DENSITY ALTITUDE 3,100 ft

Field elevation 964 ft — the air behaves like 3,100 ft.

PRESSURE ALT
965 ft
ISA DEVIATION
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RULE-OF-THUMB DA
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AIR DENSITY INDEX
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AIR DENSITY
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WATER · GRAINS/LB
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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 4A5 in summer?

On a typical July afternoon — around 89 °F at the nearest NOAA normals station — density altitude at Searcy County reaches roughly 3,112 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 4A5 on an average day?

It swings with the seasons: from roughly −296 ft at the coldest month's average temperature to about 2,446 ft at the warmest month's — all from a constant field elevation of 964 ft. The month-by-month table above carries the full year.

What is the field elevation of Searcy County?

964 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 4A5 (FAA), in Marshall, Arkansas.