Maddock, North Dakota · field elev 1,600 ft
Density Altitude at Maddock Municipal (6D3)
Maddock Municipal sits at 1,600 ft, and even a typical July afternoon (79 °F) only lifts density altitude to about 3,279 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 | 7.3 | −1,590 ft | 16.1 | −947 ft |
| February | 11.3 | −1,296 ft | 20.8 | −609 ft |
| March | 23.3 | −431 ft | 32.7 | 228 ft |
| April | 39.2 | 674 ft | 50.4 | 1,427 ft |
| May | 53.1 | 1,606 ft | 64.8 | 2,366 ft |
| June | 63.7 | 2,295 ft | 73.9 | 2,943 ft |
| July | 68.5 | 2,602 ft | 79.3 | 3,279 ft |
| August | 66.9 | 2,500 ft | 79.1 | 3,267 ft |
| September | 57.5 | 1,894 ft | 69.8 | 2,684 ft |
| October | 42.8 | 919 ft | 53.7 | 1,645 ft |
| November | 26.8 | −184 ft | 35.4 | 414 ft |
| December | 13.5 | −1,135 ft | 21.8 | −538 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 6D3
DENSITY ALTITUDE
Field elevation 1,600 ft — the air behaves like 3,261 ft.
- PRESSURE ALT
- 1,601 ft
- ISA DEVIATION
- —
- RULE-OF-THUMB DA
- —
- AIR DENSITY INDEX
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- AIR DENSITY
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- 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 North Dakota fields
- D31 — Leeds Municipal
Leeds · elev 1,508 ft
- 5H4 — Harvey Municipal
Harvey · elev 1,607 ft
- D24 — Fessenden-Streibel Municipal
Fessenden · elev 1,619 ft
- 8J7 — Tomlinson Field
New Rockford · elev 1,535 ft
- KDVL — Devils Lake Regional
Devils Lake · elev 1,469 ft
- KRUG — Rugby Municipal
Rugby · elev 1,549 ft
- 9D7 — Cando Municipal
Cando · elev 1,482 ft
- 46D — Carrington Municipal
Carrington · elev 1,607 ft
Frequently asked questions
How high does density altitude get at 6D3 in summer?
On a typical July afternoon — around 79 °F at the nearest NOAA normals station — density altitude at Maddock Municipal reaches roughly 3,279 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 6D3 on an average day?
It swings with the seasons: from roughly −1,590 ft at the coldest month's average temperature to about 2,602 ft at the warmest month's — all from a constant field elevation of 1,600 ft. The month-by-month table above carries the full year.
What is the field elevation of Maddock Municipal?
1,600 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 6D3 (FAA), in Maddock, North Dakota.