Clio, Michigan · field elev 714 ft
Density Altitude at Alkay (51G)
Alkay sits at 714 ft, and even a typical July afternoon (82 °F) only lifts density altitude to about 2,359 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 | 23.2 | −1,549 ft | 30.4 | −1,039 ft |
| February | 24.6 | −1,449 ft | 32.7 | −878 ft |
| March | 33.4 | −829 ft | 42.9 | −175 ft |
| April | 45.5 | 1 ft | 56.4 | 729 ft |
| May | 57.2 | 781 ft | 68.2 | 1,495 ft |
| June | 67.1 | 1,425 ft | 77.8 | 2,103 ft |
| July | 71.1 | 1,680 ft | 81.9 | 2,359 ft |
| August | 69.2 | 1,559 ft | 79.1 | 2,185 ft |
| September | 61.7 | 1,076 ft | 72.7 | 1,782 ft |
| October | 49.8 | 291 ft | 59.8 | 952 ft |
| November | 38.6 | −469 ft | 46.8 | 89 ft |
| December | 28.6 | −1,166 ft | 35.2 | −704 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 51G
DENSITY ALTITUDE
Field elevation 714 ft — the air behaves like 2,365 ft.
- PRESSURE ALT
- 715 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
- 3DA — Dalton
Flushing · elev 733 ft
- KFNT — Bishop International
Flint · elev 782 ft
- 66G — Wm 'Tiny' Zehnder Field
Frankenmuth · elev 639 ft
- 50G — Howard Nixon Meml
Chesaning · elev 641 ft
- KRNP — Owosso Community
Owosso · elev 737 ft
- KHYX — Saginaw County/H W Browne
Saginaw · elev 602 ft
- C88 — Tkaczyk Field
Oakley · elev 727 ft
- 60D — Bauer Field
Reese · elev 660 ft
Frequently asked questions
How high does density altitude get at 51G in summer?
On a typical July afternoon — around 82 °F at the nearest NOAA normals station — density altitude at Alkay reaches roughly 2,359 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 51G on an average day?
It swings with the seasons: from roughly −1,549 ft at the coldest month's average temperature to about 1,680 ft at the warmest month's — all from a constant field elevation of 714 ft. The month-by-month table above carries the full year.
What is the field elevation of Alkay?
714 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 51G (FAA), in Clio, Michigan.