Belding, Michigan · field elev 823 ft
Density Altitude at Boulder Canyon (56C)
Boulder Canyon sits at 823 ft, and even a typical July afternoon (84 °F) only lifts density altitude to about 2,640 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 | 22.0 | −1,498 ft | 31.2 | −847 ft |
| February | 23.8 | −1,370 ft | 34.2 | −638 ft |
| March | 33.5 | −686 ft | 45.5 | 137 ft |
| April | 45.7 | 150 ft | 59.3 | 1,054 ft |
| May | 57.4 | 929 ft | 71.1 | 1,814 ft |
| June | 66.5 | 1,520 ft | 80.4 | 2,399 ft |
| July | 70.3 | 1,763 ft | 84.3 | 2,640 ft |
| August | 68.5 | 1,648 ft | 82.1 | 2,504 ft |
| September | 61.3 | 1,184 ft | 75.2 | 2,073 ft |
| October | 49.6 | 412 ft | 62.1 | 1,236 ft |
| November | 37.6 | −402 ft | 47.8 | 292 ft |
| December | 27.3 | −1,121 ft | 36.0 | −513 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 56C
DENSITY ALTITUDE
Field elevation 823 ft — the air behaves like 2,622 ft.
- PRESSURE ALT
- 824 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
- 6D6 — Greenville Municipal
Greenville · elev 855 ft
- 24C — Lowell City
Lowell · elev 681 ft
- 35C — Wells
Rockford · elev 890 ft
- Y70 — Ionia County
Ionia · elev 818 ft
- KGRR — Gerald R Ford International
Grand Rapids · elev 794 ft
- 8D4 — Paul C Miller/Sparta
Sparta · elev 775 ft
- 24M — Wilderness Airpark
Kent City · elev 785 ft
- 13C — Lakeview/Griffith Field
Lakeview · elev 969 ft
Frequently asked questions
How high does density altitude get at 56C in summer?
On a typical July afternoon — around 84 °F at the nearest NOAA normals station — density altitude at Boulder Canyon reaches roughly 2,640 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 56C on an average day?
It swings with the seasons: from roughly −1,498 ft at the coldest month's average temperature to about 1,763 ft at the warmest month's — all from a constant field elevation of 823 ft. The month-by-month table above carries the full year.
What is the field elevation of Boulder Canyon?
823 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 56C (FAA), in Belding, Michigan.