Rockford, Michigan · field elev 890 ft
Density Altitude at Wells (35C)
Wells sits at 890 ft, and even a typical July afternoon (84 °F) only lifts density altitude to about 2,722 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 | −1,414 ft | 31.2 | −763 ft |
| February | 23.8 | −1,286 ft | 34.2 | −554 ft |
| March | 33.5 | −603 ft | 45.5 | 220 ft |
| April | 45.7 | 233 ft | 59.3 | 1,136 ft |
| May | 57.4 | 1,012 ft | 71.1 | 1,896 ft |
| June | 66.5 | 1,602 ft | 80.4 | 2,481 ft |
| July | 70.3 | 1,845 ft | 84.3 | 2,722 ft |
| August | 68.5 | 1,731 ft | 82.1 | 2,586 ft |
| September | 61.3 | 1,266 ft | 75.2 | 2,155 ft |
| October | 49.6 | 495 ft | 62.1 | 1,318 ft |
| November | 37.6 | −319 ft | 47.8 | 375 ft |
| December | 27.3 | −1,037 ft | 36.0 | −429 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 35C
DENSITY ALTITUDE
Field elevation 890 ft — the air behaves like 2,704 ft.
- PRESSURE ALT
- 891 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
- 8D4 — Paul C Miller/Sparta
Sparta · elev 775 ft
- 56C — Boulder Canyon
Belding · elev 823 ft
- 6D6 — Greenville Municipal
Greenville · elev 855 ft
- 24M — Wilderness Airpark
Kent City · elev 785 ft
- 24C — Lowell City
Lowell · elev 681 ft
- KGRR — Gerald R Ford International
Grand Rapids · elev 794 ft
- 08C — Riverview
Jenison · elev 603 ft
- 13C — Lakeview/Griffith Field
Lakeview · elev 969 ft
Frequently asked questions
How high does density altitude get at 35C in summer?
On a typical July afternoon — around 84 °F at the nearest NOAA normals station — density altitude at Wells reaches roughly 2,722 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 35C on an average day?
It swings with the seasons: from roughly −1,414 ft at the coldest month's average temperature to about 1,845 ft at the warmest month's — all from a constant field elevation of 890 ft. The month-by-month table above carries the full year.
What is the field elevation of Wells?
890 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 35C (FAA), in Rockford, Michigan.