Quincy, Washington · field elev 1,271 ft

Density Altitude at Quincy Municipal (80T)

Quincy Municipal sits at 1,271 ft, and even a typical July afternoon (87 °F) only lifts density altitude to about 3,370 ft — heat still trims performance, but the field rarely turns high-and-hot.

worst typical month: July · ≈3,370 ft station: QUINCY · 1 mi away normals vintage 1991–2020

Typical density altitude by month

From NOAA 1991–2020 monthly normals at QUINCY (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 29.9 −378 ft 36.4 73 ft
February 35.3 −3 ft 43.9 585 ft
March 43.4 551 ft 55.0 1,324 ft
April 51.1 1,067 ft 63.4 1,871 ft
May 60.1 1,658 ft 73.1 2,490 ft
June 66.1 2,045 ft 79.0 2,859 ft
July 73.3 2,502 ft 87.3 3,370 ft
August 72.2 2,433 ft 86.5 3,321 ft
September 63.8 1,897 ft 77.8 2,784 ft
October 50.7 1,040 ft 62.8 1,833 ft
November 38.1 190 ft 46.8 780 ft
December 29.5 −406 ft 35.7 25 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 80T

Altimeter-style gauge: field elevation and density altitude needles 03691215 DENSITY ALT ×1,000 FT 3,352 DENSITY ALTITUDE · FEET
field elevation density altitude

DENSITY ALTITUDE 3,352 ft

Field elevation 1,271 ft — the air behaves like 3,352 ft.

PRESSURE ALT
1,272 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 80T in summer?

On a typical July afternoon — around 87 °F at the nearest NOAA normals station — density altitude at Quincy Municipal reaches roughly 3,370 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 80T on an average day?

It swings with the seasons: from roughly −406 ft at the coldest month's average temperature to about 2,502 ft at the warmest month's — all from a constant field elevation of 1,271 ft. The month-by-month table above carries the full year.

What is the field elevation of Quincy Municipal?

1,271 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 80T (FAA), in Quincy, Washington.