Eastport, Maine · field elev 45 ft
Density Altitude at Eastport Municipal (KEPM)
Eastport Municipal sits at 45 ft, and even a typical July afternoon (75 °F) only lifts density altitude to about 1,101 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 | 22.7 | −2,425 ft | 30.3 | −1,883 ft |
| February | 24.5 | −2,296 ft | 31.9 | −1,770 ft |
| March | 31.8 | −1,777 ft | 39.1 | −1,268 ft |
| April | 42.0 | −1,069 ft | 49.7 | −545 ft |
| May | 51.5 | −424 ft | 60.4 | 166 ft |
| June | 59.1 | 80 ft | 69.0 | 724 ft |
| July | 64.9 | 459 ft | 74.9 | 1,101 ft |
| August | 65.0 | 466 ft | 74.5 | 1,076 ft |
| September | 59.0 | 74 ft | 67.3 | 615 ft |
| October | 49.2 | −579 ft | 56.5 | −91 ft |
| November | 40.0 | −1,206 ft | 46.3 | −775 ft |
| December | 29.7 | −1,925 ft | 36.6 | −1,441 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 KEPM
DENSITY ALTITUDE
Field elevation 45 ft — the air behaves like 1,107 ft.
- PRESSURE ALT
- 46 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 Maine fields
- 65B — Lubec Municipal
Lubec · elev 85 ft
- 66B — Gillespie Field
Meddybemps · elev 200 ft
- ME2 — Cutler Regional
Cutler · elev 55 ft
- KMVM — Machias Valley
Machias · elev 96 ft
- KPNN — Princeton Municipal
Princeton · elev 265 ft
- 43B — Deblois Flight Strip
Deblois · elev 218 ft
- KBHB — Hancock County/Bar Harbor
Bar Harbor · elev 83 ft
- KLRG — Lincoln Regional
Lincoln · elev 208 ft
Frequently asked questions
How high does density altitude get at KEPM in summer?
On a typical July afternoon — around 75 °F at the nearest NOAA normals station — density altitude at Eastport Municipal reaches roughly 1,101 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 KEPM on an average day?
It swings with the seasons: from roughly −2,425 ft at the coldest month's average temperature to about 466 ft at the warmest month's — all from a constant field elevation of 45 ft. The month-by-month table above carries the full year.
What is the field elevation of Eastport Municipal?
45 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KEPM (ICAO) / EPM (FAA), in Eastport, Maine.