Superior, Arizona · field elev 2,646 ft
Density Altitude at Superior Municipal (E81)
From a field elevation of 2,646 ft, a typical July afternoon at Superior Municipal (99 °F) raises density altitude to about 5,726 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 | 53.1 | 2,897 ft | 62.1 | 3,478 ft |
| February | 55.5 | 3,053 ft | 64.8 | 3,650 ft |
| March | 60.4 | 3,369 ft | 71.5 | 4,072 ft |
| April | 66.6 | 3,764 ft | 78.3 | 4,494 ft |
| May | 75.4 | 4,315 ft | 86.8 | 5,012 ft ▲ |
| June | 85.1 | 4,909 ft | 97.2 | 5,632 ft ▲ |
| July | 88.0 | 5,084 ft | 98.8 | 5,726 ft ▲ |
| August | 86.8 | 5,012 ft | 97.1 | 5,626 ft ▲ |
| September | 82.7 | 4,763 ft | 93.3 | 5,401 ft ▲ |
| October | 73.5 | 4,197 ft | 83.9 | 4,836 ft |
| November | 62.3 | 3,491 ft | 72.5 | 4,134 ft |
| December | 53.0 | 2,890 ft | 61.9 | 3,465 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 E81
DENSITY ALTITUDE caution
Field elevation 2,646 ft — the air behaves like 5,738 ft.
- PRESSURE ALT
- 2,648 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
- E67 — Kearny
Kearny · elev 1,833 ft
- P13 — San Carlos Apache
Globe · elev 3,261 ft
- P08 — Coolidge Municipal
Coolidge · elev 1,576 ft
- KIWA — Mesa Gateway
Phoenix · elev 1,384 ft
- KFFZ — Falcon Field
Mesa · elev 1,394 ft
- KCHD — Chandler Municipal
Chandler · elev 1,243 ft
- E60 — Eloy Municipal
Eloy · elev 1,511 ft
- KCGZ — Casa Grande Municipal
Casa Grande · elev 1,464 ft
Frequently asked questions
How high does density altitude get at E81 in summer?
On a typical July afternoon — around 99 °F at the nearest NOAA normals station — density altitude at Superior Municipal reaches roughly 5,726 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 E81 on an average day?
It swings with the seasons: from roughly 2,890 ft at the coldest month's average temperature to about 5,084 ft at the warmest month's — all from a constant field elevation of 2,646 ft. The month-by-month table above carries the full year.
What is the field elevation of Superior Municipal?
2,646 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is E81 (FAA), in Superior, Arizona.