Caldwell, Texas · field elev 391 ft

Density Altitude at Caldwell Municipal (KRWV)

Caldwell Municipal sits at 391 ft, and even a typical August afternoon (98 °F) only lifts density altitude to about 2,936 ft — heat still trims performance, but the field rarely turns high-and-hot.

worst typical month: August · ≈2,936 ft station: SOMERVILLE DAM · 16 mi away normals vintage 1991–2020

Typical density altitude by month

From NOAA 1991–2020 monthly normals at SOMERVILLE DAM (16 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 48.6 −190 ft 62.4 723 ft
February 52.4 64 ft 65.9 950 ft
March 59.2 514 ft 72.8 1,392 ft
April 66.3 976 ft 79.8 1,833 ft
May 74.2 1,481 ft 86.9 2,274 ft
June 80.7 1,890 ft 93.3 2,665 ft
July 83.5 2,064 ft 96.6 2,864 ft
August 83.9 2,088 ft 97.8 2,936 ft
September 78.1 1,727 ft 92.1 2,592 ft
October 68.2 1,098 ft 83.4 2,057 ft
November 58.3 455 ft 72.3 1,360 ft
December 50.6 −56 ft 64.4 853 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 KRWV

Altimeter-style gauge: field elevation and density altitude needles 03691215 DENSITY ALT ×1,000 FT 2,948 DENSITY ALTITUDE · FEET
field elevation density altitude

DENSITY ALTITUDE 2,948 ft

Field elevation 391 ft — the air behaves like 2,948 ft.

PRESSURE ALT
392 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 KRWV in summer?

On a typical August afternoon — around 98 °F at the nearest NOAA normals station — density altitude at Caldwell Municipal reaches roughly 2,936 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 KRWV on an average day?

It swings with the seasons: from roughly −190 ft at the coldest month's average temperature to about 2,088 ft at the warmest month's — all from a constant field elevation of 391 ft. The month-by-month table above carries the full year.

What is the field elevation of Caldwell Municipal?

391 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KRWV (ICAO) / RWV (FAA), in Caldwell, Texas.