Marble Canyon, Arizona · field elev 3,603 ft
Density Altitude at Marble Canyon (L41)
From a field elevation of 3,603 ft, a typical July afternoon at Marble Canyon (102 °F) raises density altitude to about 7,045 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 | 38.9 | 3,140 ft | 48.4 | 3,770 ft |
| February | 44.6 | 3,519 ft | 55.2 | 4,211 ft |
| March | 54.0 | 4,134 ft | 65.7 | 4,879 ft |
| April | 62.2 | 4,658 ft | 75.0 | 5,457 ft ▲ |
| May | 71.5 | 5,241 ft | 84.9 | 6,059 ft ▲ |
| June | 83.1 | 5,951 ft | 98.1 | 6,841 ft ▲ |
| July | 88.6 | 6,281 ft | 101.6 | 7,045 ft ▲ |
| August | 86.0 | 6,125 ft | 99.0 | 6,894 ft ▲ |
| September | 76.1 | 5,525 ft | 89.1 | 6,311 ft ▲ |
| October | 63.0 | 4,709 ft | 75.6 | 5,494 ft ▲ |
| November | 49.5 | 3,841 ft | 60.0 | 4,519 ft |
| December | 39.5 | 3,180 ft | 48.3 | 3,763 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 L41
DENSITY ALTITUDE caution
Field elevation 3,603 ft — the air behaves like 7,068 ft.
- PRESSURE ALT
- 3,605 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
- KPGA — Page Municipal
Page · elev 4,317 ft
- T03 — Tuba City
Tuba City · elev 4,513 ft
- KGCN — Grand Canyon Ntl Park
Grand Canyon · elev 6,609 ft
- KAZC — Colorado City Municipal
Colorado City · elev 4,874 ft
- 0V7 — Kayenta
Kayenta · elev 5,688 ft
- 40G — Valle
Grand Canyon · elev 5,999 ft
- 1Z1 — Grand Canyon Bar Ten Airstrip
Whitmore · elev 4,100 ft
- P10 — Polacca
Polacca · elev 5,573 ft
Frequently asked questions
How high does density altitude get at L41 in summer?
On a typical July afternoon — around 102 °F at the nearest NOAA normals station — density altitude at Marble Canyon reaches roughly 7,045 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 L41 on an average day?
It swings with the seasons: from roughly 3,140 ft at the coldest month's average temperature to about 6,281 ft at the warmest month's — all from a constant field elevation of 3,603 ft. The month-by-month table above carries the full year.
What is the field elevation of Marble Canyon?
3,603 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is L41 (FAA), in Marble Canyon, Arizona.