Redfield, South Dakota · field elev 1,309 ft
Density Altitude at Redfield Municipal (1D8)
Redfield Municipal sits at 1,309 ft, and even a typical July afternoon (84 °F) only lifts density altitude to about 3,221 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 | 12.9 | −1,546 ft | 22.8 | −832 ft |
| February | 17.3 | −1,226 ft | 27.6 | −492 ft |
| March | 30.6 | −282 ft | 41.3 | 456 ft |
| April | 43.9 | 632 ft | 56.3 | 1,457 ft |
| May | 56.5 | 1,470 ft | 68.6 | 2,251 ft |
| June | 67.1 | 2,156 ft | 78.7 | 2,887 ft |
| July | 72.2 | 2,479 ft | 84.1 | 3,221 ft |
| August | 69.9 | 2,334 ft | 82.3 | 3,110 ft |
| September | 61.0 | 1,763 ft | 74.4 | 2,618 ft |
| October | 46.2 | 787 ft | 58.9 | 1,627 ft |
| November | 31.3 | −233 ft | 42.1 | 510 ft |
| December | 18.6 | −1,132 ft | 27.9 | −471 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 1D8
DENSITY ALTITUDE
Field elevation 1,309 ft — the air behaves like 3,214 ft.
- PRESSURE ALT
- 1,310 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
- 3FU — Faulkton Municipal
Faulkton · elev 1,571 ft
- KMKA — Miller Municipal
Miller · elev 1,570 ft
- KHON — Huron Regional
Huron · elev 1,289 ft
- 8D7 — Clark County
Clark · elev 1,793 ft
- KABR — Aberdeen Regional
Aberdeen · elev 1,302 ft
- 9D0 — Highmore Municipal
Highmore · elev 1,854 ft
- 2E6 — Groton Municipal
Groton · elev 1,310 ft
- 4X4 — Wessington Springs
Wessington Springs · elev 1,545 ft
Frequently asked questions
How high does density altitude get at 1D8 in summer?
On a typical July afternoon — around 84 °F at the nearest NOAA normals station — density altitude at Redfield Municipal reaches roughly 3,221 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 1D8 on an average day?
It swings with the seasons: from roughly −1,546 ft at the coldest month's average temperature to about 2,479 ft at the warmest month's — all from a constant field elevation of 1,309 ft. The month-by-month table above carries the full year.
What is the field elevation of Redfield Municipal?
1,309 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 1D8 (FAA), in Redfield, South Dakota.