Coldwater, Michigan · field elev 958 ft
Density Altitude at Branch County Meml (KOEB)
Branch County Meml sits at 958 ft, and even a typical July afternoon (82 °F) only lifts density altitude to about 2,657 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 | 23.4 | −1,229 ft | 30.9 | −699 ft |
| February | 25.9 | −1,051 ft | 34.2 | −469 ft |
| March | 35.3 | −393 ft | 44.9 | 264 ft |
| April | 47.0 | 405 ft | 57.9 | 1,128 ft |
| May | 58.2 | 1,148 ft | 69.4 | 1,871 ft |
| June | 67.6 | 1,756 ft | 78.6 | 2,452 ft |
| July | 70.9 | 1,967 ft | 81.9 | 2,657 ft |
| August | 68.9 | 1,840 ft | 79.6 | 2,514 ft |
| September | 62.0 | 1,396 ft | 73.2 | 2,113 ft |
| October | 50.5 | 640 ft | 60.6 | 1,305 ft |
| November | 38.5 | −172 ft | 46.6 | 378 ft |
| December | 28.6 | −860 ft | 35.5 | −379 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 KOEB
DENSITY ALTITUDE
Field elevation 958 ft — the air behaves like 2,663 ft.
- PRESSURE ALT
- 959 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
- KIRS — Kirsch Municipal
Sturgis · elev 925 ft
- KRMY — Brooks Field
Marshall · elev 941 ft
- KJYM — Hillsdale Municipal
Hillsdale · elev 1,184 ft
- KBTL — Battle Creek Exec At Kellogg Field
Battle Creek · elev 952 ft
- KHAI — Three Rivers Municipal/Dr Haines
Three Rivers · elev 823 ft
- KAZO — Kalamazoo/Battle Creek International
Kalamazoo · elev 874 ft
- KJXN — Jackson County/Reynolds Field
Jackson · elev 1,001 ft
- 6H4 — Van Wagnen
Napoleon · elev 988 ft
Frequently asked questions
How high does density altitude get at KOEB in summer?
On a typical July afternoon — around 82 °F at the nearest NOAA normals station — density altitude at Branch County Meml reaches roughly 2,657 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 KOEB on an average day?
It swings with the seasons: from roughly −1,229 ft at the coldest month's average temperature to about 1,967 ft at the warmest month's — all from a constant field elevation of 958 ft. The month-by-month table above carries the full year.
What is the field elevation of Branch County Meml?
958 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KOEB (ICAO) / OEB (FAA), in Coldwater, Michigan.