Robstown, Texas · field elev 80 ft

Density Altitude at Nueces County (KRBO)

Nueces County sits at 80 ft, and even a typical August afternoon (96 °F) only lifts density altitude to about 2,468 ft — heat still trims performance, but the field rarely turns high-and-hot.

worst typical month: August · ≈2,468 ft station: ROBSTOWN · 2 mi away normals vintage 1991–2020

Typical density altitude by month

From NOAA 1991–2020 monthly normals at ROBSTOWN (2 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 57.2 −2 ft 67.5 671 ft
February 61.4 274 ft 72.0 960 ft
March 67.2 651 ft 77.4 1,302 ft
April 73.3 1,042 ft 83.0 1,653 ft
May 79.2 1,415 ft 88.3 1,981 ft
June 84.0 1,715 ft 93.3 2,286 ft
July 85.3 1,796 ft 94.8 2,377 ft
August 86.2 1,851 ft 96.3 2,468 ft
September 82.1 1,597 ft 91.9 2,201 ft
October 75.2 1,163 ft 85.9 1,833 ft
November 66.3 593 ft 76.7 1,258 ft
December 59.4 143 ft 69.8 819 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 KRBO

Altimeter-style gauge: field elevation and density altitude needles 03691215 DENSITY ALT ×1,000 FT 2,450 DENSITY ALTITUDE · FEET
field elevation density altitude

DENSITY ALTITUDE 2,450 ft

Field elevation 80 ft — the air behaves like 2,450 ft.

PRESSURE ALT
81 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 KRBO in summer?

On a typical August afternoon — around 96 °F at the nearest NOAA normals station — density altitude at Nueces County reaches roughly 2,468 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 KRBO on an average day?

It swings with the seasons: from roughly −2 ft at the coldest month's average temperature to about 1,851 ft at the warmest month's — all from a constant field elevation of 80 ft. The month-by-month table above carries the full year.

What is the field elevation of Nueces County?

80 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KRBO (ICAO) / RBO (FAA), in Robstown, Texas.