Trinidad, Colorado · field elev 5,762 ft
Density Altitude at Perry Stokes (KTAD)
Perry Stokes is a genuine high-and-hot field: from 5,762 ft of elevation, a typical July afternoon (90 °F) pushes density altitude to about 8,980 ft — the airplane performs like it is 3,218 ft above the field before the wheels roll.
Typical density altitude by month
| Month | Avg temp °F | DA at avg temp | Afternoon high °F | DA on a typical afternoon |
|---|---|---|---|---|
| January | 33.4 | 5,446 ft | 48.2 | 6,415 ft ▲ |
| February | 36.2 | 5,632 ft | 51.3 | 6,614 ft ▲ |
| March | 43.8 | 6,131 ft | 59.8 | 7,151 ft ▲ |
| April | 50.3 | 6,550 ft | 65.8 | 7,523 ft ▲ |
| May | 59.8 | 7,151 ft | 75.5 | 8,115 ft ⚠ |
| June | 70.1 | 7,787 ft | 86.1 | 8,746 ft ⚠ |
| July | 74.8 | 8,072 ft | 90.1 | 8,980 ft ⚠ |
| August | 72.8 | 7,951 ft | 87.5 | 8,828 ft ⚠ |
| September | 65.8 | 7,523 ft | 81.1 | 8,450 ft ⚠ |
| October | 53.1 | 6,729 ft | 69.1 | 7,726 ft ▲ |
| November | 41.5 | 5,981 ft | 56.7 | 6,956 ft ▲ |
| December | 32.8 | 5,406 ft | 47.2 | 6,351 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 KTAD
DENSITY ALTITUDE high DA
Field elevation 5,762 ft — the air behaves like 8,974 ft.
- PRESSURE ALT
- 5,764 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 Colorado fields
- 4V1 — Spanish Peaks Airfield
Walsenburg · elev 6,055 ft
- 07V — Cuchara Valley At La Veta
La Veta · elev 7,153 ft
- 05V — Blanca
Blanca · elev 7,720 ft
- KLHX — La Junta Municipal
La Junta · elev 4,229 ft
- KPUB — Pueblo Meml
Pueblo · elev 4,729 ft
- C08 — Silver West
Westcliffe · elev 8,290 ft
- 7V9 — City Of Las Animas - Bent County
Las Animas · elev 3,915 ft
- KALS — San Luis Valley Regional/Bergman Field
Alamosa · elev 7,540 ft
Frequently asked questions
How high does density altitude get at KTAD in summer?
On a typical July afternoon — around 90 °F at the nearest NOAA normals station — density altitude at Perry Stokes reaches roughly 8,980 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 KTAD on an average day?
It swings with the seasons: from roughly 5,406 ft at the coldest month's average temperature to about 8,072 ft at the warmest month's — all from a constant field elevation of 5,762 ft. The month-by-month table above carries the full year.
What is the field elevation of Perry Stokes?
5,762 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KTAD (ICAO) / TAD (FAA), in Trinidad, Colorado.