St Louis, Missouri · field elev 462 ft

Density Altitude at Creve Coeur (1H0)

Creve Coeur sits at 462 ft, and even a typical July afternoon (89 °F) only lifts density altitude to about 2,477 ft — heat still trims performance, but the field rarely turns high-and-hot.

worst typical month: July · ≈2,477 ft station: ST CHARLES 7 SSW · 3 mi away normals vintage 1991–2020

Typical density altitude by month

From NOAA 1991–2020 monthly normals at ST CHARLES 7 SSW (3 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 31.0 −1,312 ft 40.2 −673 ft
February 35.4 −1,005 ft 45.5 −312 ft
March 45.1 −339 ft 55.5 358 ft
April 56.4 417 ft 67.3 1,128 ft
May 66.5 1,076 ft 76.7 1,726 ft
June 75.2 1,631 ft 85.1 2,249 ft
July 79.0 1,870 ft 88.8 2,477 ft
August 77.3 1,763 ft 87.5 2,397 ft
September 69.6 1,275 ft 80.9 1,989 ft
October 58.0 523 ft 69.5 1,269 ft
November 45.9 −284 ft 56.0 391 ft
December 35.7 −984 ft 44.7 −366 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 1H0

Altimeter-style gauge: field elevation and density altitude needles 03691215 DENSITY ALT ×1,000 FT 2,489 DENSITY ALTITUDE · FEET
field elevation density altitude

DENSITY ALTITUDE 2,489 ft

Field elevation 462 ft — the air behaves like 2,489 ft.

PRESSURE ALT
463 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 1H0 in summer?

On a typical July afternoon — around 89 °F at the nearest NOAA normals station — density altitude at Creve Coeur reaches roughly 2,477 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 1H0 on an average day?

It swings with the seasons: from roughly −1,312 ft at the coldest month's average temperature to about 1,870 ft at the warmest month's — all from a constant field elevation of 462 ft. The month-by-month table above carries the full year.

What is the field elevation of Creve Coeur?

462 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 1H0 (FAA), in St Louis, Missouri.