Sunfield, Michigan · field elev 853 ft
Density Altitude at Hiram Cure (C43)
Hiram Cure sits at 853 ft, and even a typical July afternoon (81 °F) only lifts density altitude to about 2,467 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 | 22.3 | −1,439 ft | 28.9 | −971 ft |
| February | 24.0 | −1,318 ft | 31.6 | −781 ft |
| March | 33.3 | −663 ft | 42.3 | −43 ft |
| April | 45.2 | 154 ft | 55.6 | 848 ft |
| May | 57.4 | 966 ft | 67.9 | 1,647 ft |
| June | 67.0 | 1,589 ft | 77.3 | 2,242 ft |
| July | 70.6 | 1,819 ft | 80.9 | 2,467 ft |
| August | 68.8 | 1,704 ft | 78.9 | 2,342 ft |
| September | 61.3 | 1,221 ft | 72.0 | 1,908 ft |
| October | 49.4 | 436 ft | 59.2 | 1,084 ft |
| November | 37.9 | −344 ft | 45.5 | 174 ft |
| December | 28.0 | −1,034 ft | 33.9 | −621 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 C43
DENSITY ALTITUDE
Field elevation 853 ft — the air behaves like 2,473 ft.
- PRESSURE ALT
- 854 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
- 4D0 — Abrams Municipal
Grand Ledge · elev 841 ft
- Y70 — Ionia County
Ionia · elev 818 ft
- 49G — Wend Valley
Charlotte · elev 859 ft
- KFPK — Fitch H Beach
Charlotte · elev 891 ft
- 51C — Orban
Dewitt · elev 882 ft
- 3F5 — Forest Hill
Westphalia · elev 772 ft
- KLAN — Capital Region International
Lansing · elev 861 ft
- 60G — Skyway Estates
Eaton Rapids · elev 931 ft
Frequently asked questions
How high does density altitude get at C43 in summer?
On a typical July afternoon — around 81 °F at the nearest NOAA normals station — density altitude at Hiram Cure reaches roughly 2,467 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 C43 on an average day?
It swings with the seasons: from roughly −1,439 ft at the coldest month's average temperature to about 1,819 ft at the warmest month's — all from a constant field elevation of 853 ft. The month-by-month table above carries the full year.
What is the field elevation of Hiram Cure?
853 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is C43 (FAA), in Sunfield, Michigan.