Escanaba, Michigan · field elev 609 ft
Density Altitude at Delta County (KESC)
Delta County sits at 609 ft, and even a typical July afternoon (77 °F) only lifts density altitude to about 1,899 ft — heat still trims performance, but the field rarely turns high-and-hot.
Typical density altitude by month
| Month | Avg temp °F | DA at avg temp | Afternoon high °F | DA on a typical afternoon |
|---|---|---|---|---|
| January | 16.9 | −2,135 ft | 25.6 | −1,510 ft |
| February | 18.0 | −2,055 ft | 27.8 | −1,354 ft |
| March | 27.3 | −1,389 ft | 36.7 | −731 ft |
| April | 38.4 | −614 ft | 47.3 | −7 ft |
| May | 50.4 | 201 ft | 60.3 | 855 ft |
| June | 60.7 | 881 ft | 70.5 | 1,513 ft |
| July | 66.5 | 1,257 ft | 76.6 | 1,899 ft |
| August | 65.4 | 1,186 ft | 75.6 | 1,836 ft |
| September | 58.2 | 717 ft | 67.6 | 1,328 ft |
| October | 45.5 | −129 ft | 54.5 | 474 ft |
| November | 34.8 | −863 ft | 42.2 | −353 ft |
| December | 23.8 | −1,638 ft | 31.1 | −1,121 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 KESC
DENSITY ALTITUDE
Field elevation 609 ft — the air behaves like 1,925 ft.
- PRESSURE ALT
- 610 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 Michigan fields
- 6Y4 — Van Effen Field
Rock · elev 970 ft
- KSAW — Marquette/Sawyer Regional
Marquette · elev 1,205 ft
- KISQ — Schoolcraft County
Manistique · elev 684 ft
- KMNM — Menominee Regional
Menominee · elev 625 ft
- 5Y7 — Hanley Field
Munising · elev 984 ft
- KIMT — Ford
Iron Mountain Kingsford · elev 1,182 ft
- M61 — Edward F Johnson
Ishpeming · elev 1,446 ft
- 50D — Iron County
Crystal Falls · elev 1,340 ft
Frequently asked questions
How high does density altitude get at KESC in summer?
On a typical July afternoon — around 77 °F at the nearest NOAA normals station — density altitude at Delta County reaches roughly 1,899 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 KESC on an average day?
It swings with the seasons: from roughly −2,135 ft at the coldest month's average temperature to about 1,257 ft at the warmest month's — all from a constant field elevation of 609 ft. The month-by-month table above carries the full year.
What is the field elevation of Delta County?
609 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KESC (ICAO) / ESC (FAA), in Escanaba, Michigan.