Clifton, Texas · field elev 760 ft

Density Altitude at Clifton Municipal/Isenhower Field (7F7)

Clifton Municipal/Isenhower Field sits at 760 ft, and even a typical August afternoon (96 °F) only lifts density altitude to about 3,264 ft — heat still trims performance, but the field rarely turns high-and-hot.

worst typical month: August · ≈3,264 ft station: WHITNEY DAM · 12 mi away normals vintage 1991–2020

Typical density altitude by month

From NOAA 1991–2020 monthly normals at WHITNEY DAM (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 45.6 65 ft 57.0 825 ft
February 49.4 321 ft 60.8 1,074 ft
March 57.0 825 ft 68.4 1,564 ft
April 64.5 1,314 ft 76.3 2,065 ft
May 73.1 1,864 ft 83.7 2,526 ft
June 80.3 2,316 ft 91.1 2,980 ft
July 83.5 2,514 ft 95.4 3,240 ft
August 83.7 2,526 ft 95.8 3,264 ft
September 77.5 2,141 ft 89.4 2,876 ft
October 67.0 1,475 ft 79.4 2,259 ft
November 56.0 759 ft 67.7 1,520 ft
December 47.8 213 ft 58.9 950 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 7F7

Altimeter-style gauge: field elevation and density altitude needles 03691215 DENSITY ALT ×1,000 FT 3,276 DENSITY ALTITUDE · FEET
field elevation density altitude

DENSITY ALTITUDE 3,276 ft

Field elevation 760 ft — the air behaves like 3,276 ft.

PRESSURE ALT
761 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 7F7 in summer?

On a typical August afternoon — around 96 °F at the nearest NOAA normals station — density altitude at Clifton Municipal/Isenhower Field reaches roughly 3,264 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 7F7 on an average day?

It swings with the seasons: from roughly 65 ft at the coldest month's average temperature to about 2,526 ft at the warmest month's — all from a constant field elevation of 760 ft. The month-by-month table above carries the full year.

What is the field elevation of Clifton Municipal/Isenhower Field?

760 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 7F7 (FAA), in Clifton, Texas.