Covington, Washington · field elev 472 ft

Density Altitude at Crest Airfield (S36)

Crest Airfield sits at 472 ft, and even a typical August afternoon (77 °F) only lifts density altitude to about 1,776 ft — heat still trims performance, but the field rarely turns high-and-hot.

worst typical month: August · ≈1,776 ft station: LANDSBURG · 7 mi away normals vintage 1991–2020

Typical density altitude by month

From NOAA 1991–2020 monthly normals at LANDSBURG (7 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 39.3 −722 ft 45.7 −286 ft
February 40.9 −613 ft 48.9 −70 ft
March 44.0 −401 ft 53.3 224 ft
April 48.5 −97 ft 58.6 575 ft
May 54.9 331 ft 65.9 1,050 ft
June 59.2 614 ft 70.3 1,332 ft
July 64.2 940 ft 77.0 1,757 ft
August 64.4 953 ft 77.3 1,776 ft
September 58.8 588 ft 70.6 1,351 ft
October 50.3 24 ft 59.5 634 ft
November 42.8 −483 ft 49.9 −3 ft
December 38.4 −784 ft 44.5 −367 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 S36

Altimeter-style gauge: field elevation and density altitude needles 03691215 DENSITY ALT ×1,000 FT 1,757 DENSITY ALTITUDE · FEET
field elevation density altitude

DENSITY ALTITUDE 1,757 ft

Field elevation 472 ft — the air behaves like 1,757 ft.

PRESSURE ALT
473 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 S36 in summer?

On a typical August afternoon — around 77 °F at the nearest NOAA normals station — density altitude at Crest Airfield reaches roughly 1,776 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 S36 on an average day?

It swings with the seasons: from roughly −784 ft at the coldest month's average temperature to about 953 ft at the warmest month's — all from a constant field elevation of 472 ft. The month-by-month table above carries the full year.

What is the field elevation of Crest Airfield?

472 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is S36 (FAA), in Covington, Washington.