Aspermont, Texas · field elev 1,744 ft

Density Altitude at Stonewall County (T60)

Stonewall County sits at 1,744 ft, and even a typical July afternoon (97 °F) only lifts density altitude to about 4,517 ft — heat still trims performance, but the field rarely turns high-and-hot.

worst typical month: July · ≈4,517 ft station: ASPERMONT · 2 mi away normals vintage 1991–2020

Typical density altitude by month

From NOAA 1991–2020 monthly normals at ASPERMONT (2 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 42.9 1,104 ft 56.3 1,993 ft
February 46.4 1,339 ft 60.4 2,260 ft
March 54.5 1,875 ft 68.9 2,804 ft
April 63.0 2,427 ft 78.0 3,375 ft
May 72.2 3,012 ft 85.8 3,854 ft
June 80.3 3,517 ft 92.9 4,284 ft
July 84.0 3,744 ft 96.8 4,517 ft
August 83.1 3,689 ft 96.0 4,469 ft
September 75.2 3,200 ft 87.9 3,982 ft
October 64.5 2,524 ft 78.3 3,393 ft
November 52.5 1,744 ft 66.0 2,619 ft
December 44.2 1,192 ft 57.3 2,059 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 T60

Altimeter-style gauge: field elevation and density altitude needles 03691215 DENSITY ALT ×1,000 FT 4,529 DENSITY ALTITUDE · FEET
field elevation density altitude

DENSITY ALTITUDE 4,529 ft

Field elevation 1,744 ft — the air behaves like 4,529 ft.

PRESSURE ALT
1,745 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 T60 in summer?

On a typical July afternoon — around 97 °F at the nearest NOAA normals station — density altitude at Stonewall County reaches roughly 4,517 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 T60 on an average day?

It swings with the seasons: from roughly 1,104 ft at the coldest month's average temperature to about 3,744 ft at the warmest month's — all from a constant field elevation of 1,744 ft. The month-by-month table above carries the full year.

What is the field elevation of Stonewall County?

1,744 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is T60 (FAA), in Aspermont, Texas.