Timber Lake, South Dakota · field elev 2,193 ft
Density Altitude at Timber Lake Municipal (D58)
Timber Lake Municipal sits at 2,193 ft, and even a typical July afternoon (86 °F) only lifts density altitude to about 4,407 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 | 16.9 | −144 ft | 26.7 | 550 ft |
| February | 20.7 | 127 ft | 30.7 | 829 ft |
| March | 32.6 | 960 ft | 43.9 | 1,728 ft |
| April | 44.8 | 1,788 ft | 57.7 | 2,638 ft |
| May | 56.2 | 2,540 ft | 69.1 | 3,367 ft |
| June | 66.3 | 3,190 ft | 78.7 | 3,966 ft |
| July | 72.7 | 3,593 ft | 85.9 | 4,407 ft |
| August | 71.3 | 3,505 ft | 85.1 | 4,358 ft |
| September | 62.1 | 2,921 ft | 76.1 | 3,805 ft |
| October | 46.7 | 1,915 ft | 58.7 | 2,702 ft |
| November | 32.1 | 925 ft | 42.6 | 1,641 ft |
| December | 20.8 | 134 ft | 30.2 | 794 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 D58
DENSITY ALTITUDE
Field elevation 2,193 ft — the air behaves like 4,413 ft.
- PRESSURE ALT
- 2,194 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 South Dakota fields
- 3Y7 — Isabel Municipal
Isabel · elev 2,398 ft
- 5P2 — Mc Laughlin Municipal
Mc Laughlin · elev 2,008 ft
- 84D — Cheyenne Eagle Butte
Eagle Butte · elev 2,449 ft
- KMBG — Mobridge Municipal
Mobridge · elev 1,716 ft
- D07 — Faith Municipal
Faith · elev 2,584 ft
- 5T4 — Herreid Municipal
Herreid · elev 1,725 ft
- KLEM — Lemmon Municipal
Lemmon · elev 2,573 ft
- 0D8 — Gettysburg Municipal
Gettysburg · elev 2,062 ft
Frequently asked questions
How high does density altitude get at D58 in summer?
On a typical July afternoon — around 86 °F at the nearest NOAA normals station — density altitude at Timber Lake Municipal reaches roughly 4,407 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 D58 on an average day?
It swings with the seasons: from roughly −144 ft at the coldest month's average temperature to about 3,593 ft at the warmest month's — all from a constant field elevation of 2,193 ft. The month-by-month table above carries the full year.
What is the field elevation of Timber Lake Municipal?
2,193 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is D58 (FAA), in Timber Lake, South Dakota.