Plymouth, Michigan · field elev 696 ft

Density Altitude at Canton-Plymouth-Mettetal (1D2)

Canton-Plymouth-Mettetal sits at 696 ft, and even a typical July afternoon (83 °F) only lifts density altitude to about 2,399 ft — heat still trims performance, but the field rarely turns high-and-hot.

worst typical month: July · ≈2,399 ft station: FARMINGTON · 10 mi away normals vintage 1991–2020

Typical density altitude by month

From NOAA 1991–2020 monthly normals at FARMINGTON (10 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 23.0 −1,586 ft 30.4 −1,062 ft
February 24.7 −1,465 ft 33.7 −831 ft
March 33.8 −824 ft 43.6 −150 ft
April 45.4 −28 ft 56.7 726 ft
May 57.1 753 ft 68.5 1,492 ft
June 67.2 1,409 ft 78.4 2,119 ft
July 71.4 1,677 ft 82.9 2,399 ft
August 69.8 1,575 ft 80.7 2,262 ft
September 62.2 1,086 ft 73.5 1,810 ft
October 50.1 288 ft 60.3 962 ft
November 38.2 −519 ft 46.7 60 ft
December 28.6 −1,188 ft 35.4 −713 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 1D2

Altimeter-style gauge: field elevation and density altitude needles 03691215 DENSITY ALT ×1,000 FT 2,405 DENSITY ALTITUDE · FEET
field elevation density altitude

DENSITY ALTITUDE 2,405 ft

Field elevation 696 ft — the air behaves like 2,405 ft.

PRESSURE ALT
697 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 1D2 in summer?

On a typical July afternoon — around 83 °F at the nearest NOAA normals station — density altitude at Canton-Plymouth-Mettetal reaches roughly 2,399 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 1D2 on an average day?

It swings with the seasons: from roughly −1,586 ft at the coldest month's average temperature to about 1,677 ft at the warmest month's — all from a constant field elevation of 696 ft. The month-by-month table above carries the full year.

What is the field elevation of Canton-Plymouth-Mettetal?

696 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 1D2 (FAA), in Plymouth, Michigan.