Waunakee, Wisconsin · field elev 954 ft

Density Altitude at Waunakee (6P3)

Waunakee sits at 954 ft, and even a typical July afternoon (82 °F) only lifts density altitude to about 2,664 ft — heat still trims performance, but the field rarely turns high-and-hot.

worst typical month: July · ≈2,664 ft station: MADISON DANE RGNL AP · 6 mi away normals vintage 1991–2020

Typical density altitude by month

From NOAA 1991–2020 monthly normals at MADISON DANE RGNL AP (6 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 19.4 −1,521 ft 27.0 −978 ft
February 23.0 −1,262 ft 31.2 −683 ft
March 34.4 −460 ft 43.6 171 ft
April 46.3 353 ft 56.9 1,058 ft
May 58.1 1,137 ft 69.0 1,841 ft
June 68.0 1,777 ft 78.6 2,447 ft
July 71.9 2,025 ft 82.1 2,664 ft
August 69.7 1,886 ft 79.9 2,528 ft
September 62.0 1,391 ft 72.9 2,089 ft
October 49.7 581 ft 59.6 1,235 ft
November 36.7 −301 ft 44.8 252 ft
December 25.3 −1,099 ft 32.3 −606 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 6P3

Altimeter-style gauge: field elevation and density altitude needles 03691215 DENSITY ALT ×1,000 FT 2,658 DENSITY ALTITUDE · FEET
field elevation density altitude

DENSITY ALTITUDE 2,658 ft

Field elevation 954 ft — the air behaves like 2,658 ft.

PRESSURE ALT
955 ft
ISA DEVIATION
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RULE-OF-THUMB DA
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AIR DENSITY INDEX
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AIR DENSITY
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WATER · GRAINS/LB
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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 6P3 in summer?

On a typical July afternoon — around 82 °F at the nearest NOAA normals station — density altitude at Waunakee reaches roughly 2,664 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 6P3 on an average day?

It swings with the seasons: from roughly −1,521 ft at the coldest month's average temperature to about 2,025 ft at the warmest month's — all from a constant field elevation of 954 ft. The month-by-month table above carries the full year.

What is the field elevation of Waunakee?

954 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 6P3 (FAA), in Waunakee, Wisconsin.