Douglas, Wyoming · field elev 4,933 ft

Density Altitude at Converse County (KDGW)

From a field elevation of 4,933 ft, a typical July afternoon at Converse County (89 °F) raises density altitude to about 7,914 ft — solidly into the range where performance charts deserve a close read.

worst typical month: July · ≈7,914 ft station: DOUGLAS CONVERSE CO AP · 0 mi away normals vintage 1991–2020

Typical density altitude by month

From NOAA 1991–2020 monthly normals at DOUGLAS CONVERSE CO AP (0 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 25.8 3,904 ft 39.0 4,793 ft
February 27.1 3,993 ft 40.1 4,866 ft
March 36.5 4,627 ft 50.2 5,525 ft ▲
April 43.6 5,096 ft 57.5 5,991 ft ▲
May 52.9 5,698 ft 67.1 6,592 ft ▲
June 63.7 6,381 ft 79.8 7,367 ft ▲
July 71.9 6,888 ft 89.0 7,914 ft ▲
August 69.9 6,765 ft 87.0 7,796 ft ▲
September 59.6 6,124 ft 76.6 7,174 ft ▲
October 45.6 5,227 ft 60.9 6,206 ft ▲
November 34.0 4,460 ft 47.8 5,370 ft ▲
December 24.9 3,842 ft 37.8 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 KDGW

Altimeter-style gauge: field elevation and density altitude needles 03691215 DENSITY ALT ×1,000 FT 7,914 DENSITY ALTITUDE · FEET
field elevation density altitude

DENSITY ALTITUDE 7,914 ft caution

Field elevation 4,933 ft — the air behaves like 7,914 ft.

PRESSURE ALT
4,935 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 KDGW in summer?

On a typical July afternoon — around 89 °F at the nearest NOAA normals station — density altitude at Converse County reaches roughly 7,914 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 KDGW on an average day?

It swings with the seasons: from roughly 3,842 ft at the coldest month's average temperature to about 6,888 ft at the warmest month's — all from a constant field elevation of 4,933 ft. The month-by-month table above carries the full year.

What is the field elevation of Converse County?

4,933 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KDGW (ICAO) / DGW (FAA), in Douglas, Wyoming.