Carrizo Springs, Texas · field elev 598 ft
Density Altitude at Dimmit County (KCZT)
Dimmit County sits at 598 ft, and even a typical August afternoon (100 °F) only lifts density altitude to about 3,313 ft — heat still trims performance, but the field rarely turns high-and-hot.
Typical density altitude by month
| Month | Avg temp °F | DA at avg temp | Afternoon high °F | DA on a typical afternoon |
|---|---|---|---|---|
| January | 52.0 | 294 ft | 66.6 | 1,250 ft |
| February | 56.7 | 605 ft | 71.3 | 1,551 ft |
| March | 63.9 | 1,076 ft | 78.2 | 1,986 ft |
| April | 71.7 | 1,576 ft | 86.1 | 2,477 ft |
| May | 78.9 | 2,030 ft | 91.9 | 2,831 ft |
| June | 84.7 | 2,391 ft | 97.6 | 3,175 ft |
| July | 86.1 | 2,477 ft | 99.1 | 3,265 ft |
| August | 86.7 | 2,514 ft | 99.9 | 3,313 ft |
| September | 80.8 | 2,149 ft | 93.4 | 2,922 ft |
| October | 72.1 | 1,602 ft | 85.6 | 2,446 ft |
| November | 61.1 | 894 ft | 75.0 | 1,785 ft |
| December | 52.9 | 354 ft | 67.1 | 1,282 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 KCZT
DENSITY ALTITUDE
Field elevation 598 ft — the air behaves like 3,319 ft.
- PRESSURE ALT
- 599 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
Nearby Texas fields
- KCOT — Cotulla-La Salle County
Cotulla · elev 474 ft
- 24R — Dilley Airpark
Dilley · elev 542 ft
- 5T9 — Maverick County Meml International
Eagle Pass · elev 887 ft
- KUVA — Garner Field
Uvalde · elev 942 ft
- T30 — Mc Kinley Field
Pearsall · elev 586 ft
- 10X — Ox Ranch
Uvalde · elev 1,305 ft
- 23R — Devine Municipal
Devine · elev 702 ft
- KHDO — South Texas Regional At Hondo
Hondo · elev 930 ft
Frequently asked questions
How high does density altitude get at KCZT in summer?
On a typical August afternoon — around 100 °F at the nearest NOAA normals station — density altitude at Dimmit County reaches roughly 3,313 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 KCZT on an average day?
It swings with the seasons: from roughly 294 ft at the coldest month's average temperature to about 2,514 ft at the warmest month's — all from a constant field elevation of 598 ft. The month-by-month table above carries the full year.
What is the field elevation of Dimmit County?
598 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KCZT (ICAO) / CZT (FAA), in Carrizo Springs, Texas.