Hart/Shelby, Michigan · field elev 916 ft
Density Altitude at Oceana County (C04)
Oceana County sits at 916 ft, and even a typical July afternoon (80 °F) only lifts density altitude to about 2,481 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 | 22.9 | −1,317 ft | 29.5 | −850 ft |
| February | 24.1 | −1,232 ft | 31.9 | −682 ft |
| March | 32.4 | −647 ft | 42.0 | 15 ft |
| April | 43.8 | 137 ft | 54.5 | 853 ft |
| May | 54.8 | 873 ft | 66.7 | 1,647 ft |
| June | 64.8 | 1,525 ft | 76.1 | 2,244 ft |
| July | 68.8 | 1,782 ft | 79.9 | 2,481 ft |
| August | 67.6 | 1,705 ft | 78.6 | 2,400 ft |
| September | 60.8 | 1,266 ft | 71.6 | 1,960 ft |
| October | 49.0 | 487 ft | 58.5 | 1,116 ft |
| November | 37.7 | −280 ft | 45.3 | 239 ft |
| December | 28.4 | −927 ft | 34.5 | −501 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 C04
DENSITY ALTITUDE
Field elevation 916 ft — the air behaves like 2,488 ft.
- PRESSURE ALT
- 917 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
- KFFX — Fremont Municipal
Fremont · elev 772 ft
- KLDM — Mason County
Ludington · elev 647 ft
- 42C — White Cloud
White Cloud · elev 914 ft
- 7D3 — Baldwin Municipal
Baldwin · elev 828 ft
- KMKG — Muskegon County
Muskegon · elev 628 ft
- 39Z — Flying-A-Ranch
Fruitport · elev 630 ft
- 5N7 — Hat Field
Nunica · elev 625 ft
- 24M — Wilderness Airpark
Kent City · elev 785 ft
Frequently asked questions
How high does density altitude get at C04 in summer?
On a typical July afternoon — around 80 °F at the nearest NOAA normals station — density altitude at Oceana County reaches roughly 2,481 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 C04 on an average day?
It swings with the seasons: from roughly −1,317 ft at the coldest month's average temperature to about 1,782 ft at the warmest month's — all from a constant field elevation of 916 ft. The month-by-month table above carries the full year.
What is the field elevation of Oceana County?
916 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is C04 (FAA), in Hart/Shelby, Michigan.