Waco, Texas · field elev 470 ft
Density Altitude at Tstc Waco (KCNW)
Tstc Waco sits at 470 ft, and even a typical August afternoon (95 °F) only lifts density altitude to about 2,882 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 | 47.1 | −193 ft | 58.5 | 566 ft |
| February | 50.9 | 62 ft | 61.9 | 788 ft |
| March | 58.0 | 533 ft | 68.4 | 1,208 ft |
| April | 65.2 | 1,002 ft | 76.1 | 1,698 ft |
| May | 73.6 | 1,540 ft | 82.9 | 2,123 ft |
| June | 81.2 | 2,017 ft | 90.5 | 2,590 ft |
| July | 84.8 | 2,241 ft | 94.5 | 2,833 ft |
| August | 85.1 | 2,259 ft | 95.3 | 2,882 ft |
| September | 78.4 | 1,842 ft | 89.2 | 2,511 ft |
| October | 68.2 | 1,195 ft | 79.7 | 1,924 ft |
| November | 57.1 | 474 ft | 68.1 | 1,189 ft |
| December | 49.1 | −59 ft | 59.8 | 651 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 KCNW
DENSITY ALTITUDE
Field elevation 470 ft — the air behaves like 2,863 ft.
- PRESSURE ALT
- 471 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
- 73F — Wings For Christ International Flt Academy
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- KACT — Waco Regional
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- 3T8 — Wildcat Canyon
China Spring · elev 660 ft
- KPWG — Mc Gregor Exec
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- T15 — Marlin
Marlin · elev 411 ft
- KINJ — Hillsboro Municipal
Hillsboro · elev 686 ft
- 7F7 — Clifton Municipal/Isenhower Field
Clifton · elev 760 ft
- KLXY — Mexia-Limestone County
Mexia · elev 545 ft
Frequently asked questions
How high does density altitude get at KCNW in summer?
On a typical August afternoon — around 95 °F at the nearest NOAA normals station — density altitude at Tstc Waco reaches roughly 2,882 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 KCNW on an average day?
It swings with the seasons: from roughly −193 ft at the coldest month's average temperature to about 2,259 ft at the warmest month's — all from a constant field elevation of 470 ft. The month-by-month table above carries the full year.
What is the field elevation of Tstc Waco?
470 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KCNW (ICAO) / CNW (FAA), in Waco, Texas.