Whitmore, Arizona · field elev 4,100 ft
Density Altitude at Grand Canyon Bar Ten Airstrip (1Z1)
From a field elevation of 4,100 ft, a typical July afternoon at Grand Canyon Bar Ten Airstrip (100 °F) raises density altitude to about 7,568 ft — solidly into the range where performance charts deserve a close read.
Typical density altitude by month
| Month | Avg temp °F | DA at avg temp | Afternoon high °F | DA on a typical afternoon |
|---|---|---|---|---|
| January | 42.1 | 3,968 ft | 53.8 | 4,732 ft |
| February | 45.6 | 4,199 ft | 57.6 | 4,976 ft |
| March | 52.4 | 4,642 ft | 66.1 | 5,512 ft ▲ |
| April | 58.4 | 5,027 ft | 73.1 | 5,946 ft ▲ |
| May | 68.0 | 5,631 ft | 83.5 | 6,578 ft ▲ |
| June | 78.8 | 6,295 ft | 95.3 | 7,278 ft ▲ |
| July | 84.9 | 6,662 ft | 100.3 | 7,568 ft ▲ |
| August | 83.3 | 6,566 ft | 98.0 | 7,435 ft ▲ |
| September | 76.0 | 6,124 ft | 90.7 | 7,007 ft ▲ |
| October | 63.4 | 5,343 ft | 78.1 | 6,252 ft ▲ |
| November | 50.6 | 4,525 ft | 63.9 | 5,375 ft ▲ |
| December | 40.9 | 3,889 ft | 52.5 | 4,648 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 1Z1
DENSITY ALTITUDE caution
Field elevation 4,100 ft — the air behaves like 7,551 ft.
- PRESSURE ALT
- 4,102 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 Arizona fields
- 1G4 — Grand Canyon West
Peach Springs · elev 4,817 ft
- L25 — Pearce Ferry
Meadview · elev 2,941 ft
- KAZC — Colorado City Municipal
Colorado City · elev 4,874 ft
- L37 — Grand Canyon Caverns
Peach Springs · elev 5,397 ft
- U30 — Temple Bar
Temple Bar · elev 1,549 ft
- KGCN — Grand Canyon Ntl Park
Grand Canyon · elev 6,609 ft
- P23 — Seligman
Seligman · elev 5,237 ft
- 40G — Valle
Grand Canyon · elev 5,999 ft
Frequently asked questions
How high does density altitude get at 1Z1 in summer?
On a typical July afternoon — around 100 °F at the nearest NOAA normals station — density altitude at Grand Canyon Bar Ten Airstrip reaches roughly 7,568 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 1Z1 on an average day?
It swings with the seasons: from roughly 3,889 ft at the coldest month's average temperature to about 6,662 ft at the warmest month's — all from a constant field elevation of 4,100 ft. The month-by-month table above carries the full year.
What is the field elevation of Grand Canyon Bar Ten Airstrip?
4,100 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 1Z1 (FAA), in Whitmore, Arizona.