Iola, Wisconsin · field elev 882 ft

Density Altitude at Central County (68C)

Central County sits at 882 ft, and even a typical July afternoon (82 °F) only lifts density altitude to about 2,570 ft — heat still trims performance, but the field rarely turns high-and-hot.

worst typical month: July · ≈2,570 ft station: WAUPACA · 11 mi away normals vintage 1991–2020

Typical density altitude by month

From NOAA 1991–2020 monthly normals at WAUPACA (11 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 16.3 −1,835 ft 25.1 −1,203 ft
February 19.8 −1,582 ft 29.2 −913 ft
March 31.3 −766 ft 41.3 −75 ft
April 43.9 102 ft 55.1 851 ft
May 56.6 949 ft 68.2 1,702 ft
June 66.1 1,567 ft 77.4 2,284 ft
July 70.4 1,842 ft 82.0 2,570 ft
August 68.4 1,714 ft 79.5 2,415 ft
September 60.3 1,192 ft 71.7 1,924 ft
October 47.4 338 ft 57.9 1,035 ft
November 34.4 −550 ft 43.1 47 ft
December 22.4 −1,396 ft 30.2 −843 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 68C

Altimeter-style gauge: field elevation and density altitude needles 03691215 DENSITY ALT ×1,000 FT 2,570 DENSITY ALTITUDE · FEET
field elevation density altitude

DENSITY ALTITUDE 2,570 ft

Field elevation 882 ft — the air behaves like 2,570 ft.

PRESSURE ALT
883 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 68C in summer?

On a typical July afternoon — around 82 °F at the nearest NOAA normals station — density altitude at Central County reaches roughly 2,570 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 68C on an average day?

It swings with the seasons: from roughly −1,835 ft at the coldest month's average temperature to about 1,842 ft at the warmest month's — all from a constant field elevation of 882 ft. The month-by-month table above carries the full year.

What is the field elevation of Central County?

882 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 68C (FAA), in Iola, Wisconsin.