Brooten, Minnesota · field elev 1,304 ft

Density Altitude at Brooten Municipal/John O Bohmer Field (6D1)

Brooten Municipal/John O Bohmer Field sits at 1,304 ft, and even a typical July afternoon (82 °F) only lifts density altitude to about 3,060 ft — heat still trims performance, but the field rarely turns high-and-hot.

worst typical month: July · ≈3,060 ft station: NEW LONDON · 15 mi away normals vintage 1991–2020

Typical density altitude by month

From NOAA 1991–2020 monthly normals at NEW LONDON (15 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 10.9 −1,698 ft 20.3 −1,016 ft
February 14.9 −1,406 ft 25.2 −667 ft
March 27.7 −491 ft 38.0 224 ft
April 42.7 544 ft 54.1 1,306 ft
May 56.9 1,490 ft 68.3 2,226 ft
June 67.1 2,149 ft 77.5 2,806 ft
July 71.5 2,429 ft 81.6 3,060 ft
August 69.5 2,302 ft 79.7 2,943 ft
September 61.0 1,757 ft 72.1 2,467 ft
October 45.9 760 ft 56.5 1,464 ft
November 30.9 −267 ft 39.4 320 ft
December 16.8 −1,268 ft 25.0 −682 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 6D1

Altimeter-style gauge: field elevation and density altitude needles 03691215 DENSITY ALT ×1,000 FT 3,085 DENSITY ALTITUDE · FEET
field elevation density altitude

DENSITY ALTITUDE 3,085 ft

Field elevation 1,304 ft — the air behaves like 3,085 ft.

PRESSURE ALT
1,305 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 6D1 in summer?

On a typical July afternoon — around 82 °F at the nearest NOAA normals station — density altitude at Brooten Municipal/John O Bohmer Field reaches roughly 3,060 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 6D1 on an average day?

It swings with the seasons: from roughly −1,698 ft at the coldest month's average temperature to about 2,429 ft at the warmest month's — all from a constant field elevation of 1,304 ft. The month-by-month table above carries the full year.

What is the field elevation of Brooten Municipal/John O Bohmer Field?

1,304 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 6D1 (FAA), in Brooten, Minnesota.