Shenandoah, Iowa · field elev 971 ft

Density Altitude at Shenandoah Municipal (KSDA)

Shenandoah Municipal sits at 971 ft, and even a typical July afternoon (87 °F) only lifts density altitude to about 2,980 ft — heat still trims performance, but the field rarely turns high-and-hot.

worst typical month: July · ≈2,980 ft station: SHENANDOAH · 3 mi away normals vintage 1991–2020

Typical density altitude by month

From NOAA 1991–2020 monthly normals at SHENANDOAH (3 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 23.5 −1,205 ft 33.4 −508 ft
February 28.4 −858 ft 38.7 −142 ft
March 40.4 −26 ft 51.6 729 ft
April 51.8 742 ft 63.7 1,522 ft
May 63.2 1,489 ft 73.8 2,166 ft
June 73.2 2,129 ft 83.3 2,759 ft
July 76.8 2,355 ft 86.9 2,980 ft
August 74.6 2,217 ft 85.2 2,876 ft
September 66.7 1,715 ft 79.0 2,492 ft
October 53.9 881 ft 66.3 1,689 ft
November 40.1 −46 ft 50.7 669 ft
December 28.5 −851 ft 37.9 −197 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 KSDA

Altimeter-style gauge: field elevation and density altitude needles 03691215 DENSITY ALT ×1,000 FT 2,987 DENSITY ALTITUDE · FEET
field elevation density altitude

DENSITY ALTITUDE 2,987 ft

Field elevation 971 ft — the air behaves like 2,987 ft.

PRESSURE ALT
972 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 KSDA in summer?

On a typical July afternoon — around 87 °F at the nearest NOAA normals station — density altitude at Shenandoah Municipal reaches roughly 2,980 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 KSDA on an average day?

It swings with the seasons: from roughly −1,205 ft at the coldest month's average temperature to about 2,355 ft at the warmest month's — all from a constant field elevation of 971 ft. The month-by-month table above carries the full year.

What is the field elevation of Shenandoah Municipal?

971 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KSDA (ICAO) / SDA (FAA), in Shenandoah, Iowa.