Russellville, Alabama · field elev 718 ft

Density Altitude at Bill Pugh Field (M22)

Bill Pugh Field sits at 718 ft, and even a typical July afternoon (88 °F) only lifts density altitude to about 2,727 ft — heat still trims performance, but the field rarely turns high-and-hot.

worst typical month: July · ≈2,727 ft station: RUSSELLVILLE 4 SSE · 1 mi away normals vintage 1991–2020

Typical density altitude by month

From NOAA 1991–2020 monthly normals at RUSSELLVILLE 4 SSE (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 40.6 −327 ft 51.2 389 ft
February 44.3 −75 ft 55.4 668 ft
March 51.7 422 ft 63.7 1,210 ft
April 59.5 937 ft 72.1 1,749 ft
May 67.3 1,442 ft 79.1 2,189 ft
June 74.5 1,901 ft 85.6 2,592 ft
July 77.7 2,102 ft 87.8 2,727 ft
August 76.9 2,052 ft 87.7 2,721 ft
September 70.7 1,660 ft 82.9 2,426 ft
October 59.9 963 ft 72.9 1,799 ft
November 49.3 262 ft 61.7 1,081 ft
December 43.3 −143 ft 53.6 549 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 M22

Altimeter-style gauge: field elevation and density altitude needles 03691215 DENSITY ALT ×1,000 FT 2,740 DENSITY ALTITUDE · FEET
field elevation density altitude

DENSITY ALTITUDE 2,740 ft

Field elevation 718 ft — the air behaves like 2,740 ft.

PRESSURE ALT
719 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 M22 in summer?

On a typical July afternoon — around 88 °F at the nearest NOAA normals station — density altitude at Bill Pugh Field reaches roughly 2,727 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 M22 on an average day?

It swings with the seasons: from roughly −327 ft at the coldest month's average temperature to about 2,102 ft at the warmest month's — all from a constant field elevation of 718 ft. The month-by-month table above carries the full year.

What is the field elevation of Bill Pugh Field?

718 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is M22 (FAA), in Russellville, Alabama.