Grayling, Michigan · field elev 1,158 ft
Density Altitude at Grayling Aaf (KGOV)
Grayling Aaf sits at 1,158 ft, and even a typical July afternoon (80 °F) only lifts density altitude to about 2,796 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 | 17.8 | −1,380 ft | 26.0 | −794 ft |
| February | 18.7 | −1,315 ft | 28.7 | −603 ft |
| March | 27.9 | −660 ft | 39.4 | 138 ft |
| April | 40.8 | 234 ft | 52.8 | 1,040 ft |
| May | 53.8 | 1,106 ft | 67.0 | 1,964 ft |
| June | 63.7 | 1,752 ft | 76.6 | 2,571 ft |
| July | 67.6 | 2,002 ft | 80.2 | 2,796 ft |
| August | 66.0 | 1,900 ft | 78.5 | 2,690 ft |
| September | 58.0 | 1,382 ft | 70.7 | 2,199 ft |
| October | 46.0 | 586 ft | 56.6 | 1,290 ft |
| November | 34.4 | −206 ft | 42.7 | 363 ft |
| December | 24.6 | −893 ft | 31.5 | −407 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 KGOV
DENSITY ALTITUDE
Field elevation 1,158 ft — the air behaves like 2,783 ft.
- PRESSURE ALT
- 1,159 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
- 3RC — Roscommon Conservation
Roscommon · elev 1,157 ft
- 4Y4 — Lakes Of The North
Gaylord · elev 1,287 ft
- 6Y0 — Moorestown Airpark
Moorestown · elev 1,211 ft
- KHTL — Roscommon County/Blodgett Meml
Houghton Lake · elev 1,150 ft
- KGLR — Gaylord Regional
Gaylord · elev 1,328 ft
- Y89 — Kalkaska City
Kalkaska · elev 1,029 ft
- D90 — Mancelona Municipal
Mancelona · elev 1,133 ft
- 5Y2 — Houghton Lake State
Houghton Lake Heights · elev 1,165 ft
Frequently asked questions
How high does density altitude get at KGOV in summer?
On a typical July afternoon — around 80 °F at the nearest NOAA normals station — density altitude at Grayling Aaf reaches roughly 2,796 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 KGOV on an average day?
It swings with the seasons: from roughly −1,380 ft at the coldest month's average temperature to about 2,002 ft at the warmest month's — all from a constant field elevation of 1,158 ft. The month-by-month table above carries the full year.
What is the field elevation of Grayling Aaf?
1,158 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KGOV (ICAO) / GOV (FAA), in Grayling, Michigan.