El Dorado, Kansas · field elev 1,385 ft

Density Altitude at Patty Field (9K6)

Patty Field sits at 1,385 ft, and even a typical July afternoon (91 °F) only lifts density altitude to about 3,752 ft — heat still trims performance, but the field rarely turns high-and-hot.

worst typical month: July · ≈3,752 ft station: EL DORADO · 3 mi away normals vintage 1991–2020

Typical density altitude by month

From NOAA 1991–2020 monthly normals at EL DORADO (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 32.1 −82 ft 44.1 740 ft
February 36.1 194 ft 48.9 1,061 ft
March 45.8 854 ft 58.9 1,720 ft
April 55.7 1,511 ft 68.4 2,332 ft
May 65.7 2,159 ft 76.9 2,868 ft
June 75.2 2,761 ft 86.3 3,448 ft
July 80.0 3,060 ft 91.3 3,752 ft
August 78.5 2,967 ft 90.3 3,691 ft
September 70.5 2,465 ft 82.7 3,227 ft
October 58.1 1,668 ft 71.1 2,503 ft
November 45.5 834 ft 57.8 1,649 ft
December 35.1 126 ft 46.4 894 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 9K6

Altimeter-style gauge: field elevation and density altitude needles 03691215 DENSITY ALT ×1,000 FT 3,733 DENSITY ALTITUDE · FEET
field elevation density altitude

DENSITY ALTITUDE 3,733 ft

Field elevation 1,385 ft — the air behaves like 3,733 ft.

PRESSURE ALT
1,386 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

Nearby Kansas fields

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Frequently asked questions

How high does density altitude get at 9K6 in summer?

On a typical July afternoon — around 91 °F at the nearest NOAA normals station — density altitude at Patty Field reaches roughly 3,752 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 9K6 on an average day?

It swings with the seasons: from roughly −82 ft at the coldest month's average temperature to about 3,060 ft at the warmest month's — all from a constant field elevation of 1,385 ft. The month-by-month table above carries the full year.

What is the field elevation of Patty Field?

1,385 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 9K6 (FAA), in El Dorado, Kansas.