Chinle, Arizona · field elev 5,550 ft
Density Altitude at Chinle Municipal (E91)
Chinle Municipal is a genuine high-and-hot field: from 5,550 ft of elevation, a typical July afternoon (93 °F) pushes density altitude to about 8,887 ft — the airplane performs like it is 3,337 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 | 31.4 | 5,050 ft | 43.8 | 5,870 ft ▲ |
| February | 37.1 | 5,430 ft | 50.6 | 6,309 ft ▲ |
| March | 45.0 | 5,948 ft | 60.7 | 6,948 ft ▲ |
| April | 52.4 | 6,424 ft | 68.9 | 7,456 ft ▲ |
| May | 61.4 | 6,992 ft | 79.0 | 8,068 ft ⚠ |
| June | 71.3 | 7,602 ft | 90.0 | 8,718 ft ⚠ |
| July | 76.5 | 7,918 ft | 92.9 | 8,887 ft ⚠ |
| August | 74.2 | 7,779 ft | 89.7 | 8,701 ft ⚠ |
| September | 66.2 | 7,290 ft | 82.7 | 8,288 ft ⚠ |
| October | 53.7 | 6,507 ft | 69.9 | 7,517 ft ▲ |
| November | 41.0 | 5,687 ft | 55.5 | 6,621 ft ▲ |
| December | 31.4 | 5,050 ft | 43.3 | 5,837 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 E91
DENSITY ALTITUDE high DA
Field elevation 5,550 ft — the air behaves like 8,893 ft.
- PRESSURE ALT
- 5,552 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
- KRQE — Window Rock
Window Rock · elev 6,742 ft
- P10 — Polacca
Polacca · elev 5,573 ft
- 0V7 — Kayenta
Kayenta · elev 5,688 ft
- P14 — Holbrook Municipal
Holbrook · elev 5,262 ft
- KINW — Winslow-Lindbergh Regional
Winslow · elev 4,941 ft
- T03 — Tuba City
Tuba City · elev 4,513 ft
- KSJN — St Johns Industrial Air Park
St Johns · elev 5,737 ft
- KTYL — Taylor
Taylor · elev 5,823 ft
Frequently asked questions
How high does density altitude get at E91 in summer?
On a typical July afternoon — around 93 °F at the nearest NOAA normals station — density altitude at Chinle Municipal reaches roughly 8,887 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 E91 on an average day?
It swings with the seasons: from roughly 5,050 ft at the coldest month's average temperature to about 7,918 ft at the warmest month's — all from a constant field elevation of 5,550 ft. The month-by-month table above carries the full year.
What is the field elevation of Chinle Municipal?
5,550 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is E91 (FAA), in Chinle, Arizona.