Grygla, Minnesota · field elev 1,177 ft
Density Altitude at Grygla Municipal - Mel Wilkens Field (3G2)
Grygla Municipal - Mel Wilkens Field sits at 1,177 ft, and even a typical July afternoon (78 °F) only lifts density altitude to about 2,651 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 | 4.7 | −2,318 ft | 14.8 | −1,573 ft |
| February | 8.6 | −2,028 ft | 19.2 | −1,255 ft |
| March | 23.5 | −947 ft | 33.4 | −251 ft |
| April | 38.9 | 128 ft | 50.1 | 884 ft |
| May | 52.3 | 1,030 ft | 64.6 | 1,833 ft |
| June | 61.6 | 1,639 ft | 73.1 | 2,375 ft |
| July | 65.4 | 1,885 ft | 77.5 | 2,651 ft |
| August | 63.3 | 1,749 ft | 76.1 | 2,563 ft |
| September | 54.8 | 1,195 ft | 66.9 | 1,981 ft |
| October | 41.4 | 298 ft | 51.6 | 984 ft |
| November | 25.6 | −798 ft | 34.2 | −196 ft |
| December | 11.9 | −1,785 ft | 20.5 | −1,161 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 3G2
DENSITY ALTITUDE
Field elevation 1,177 ft — the air behaves like 2,682 ft.
- PRESSURE ALT
- 1,178 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
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Frequently asked questions
How high does density altitude get at 3G2 in summer?
On a typical July afternoon — around 78 °F at the nearest NOAA normals station — density altitude at Grygla Municipal - Mel Wilkens Field reaches roughly 2,651 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 3G2 on an average day?
It swings with the seasons: from roughly −2,318 ft at the coldest month's average temperature to about 1,885 ft at the warmest month's — all from a constant field elevation of 1,177 ft. The month-by-month table above carries the full year.
What is the field elevation of Grygla Municipal - Mel Wilkens Field?
1,177 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 3G2 (FAA), in Grygla, Minnesota.