Hazen, North Dakota · field elev 1,815 ft
Density Altitude at Mercer County Regional (KHZE)
Mercer County Regional sits at 1,815 ft, and even a typical August afternoon (86 °F) only lifts density altitude to about 3,947 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 | 13.0 | −901 ft | 23.3 | −162 ft |
| February | 18.0 | −540 ft | 29.2 | 253 ft |
| March | 30.4 | 336 ft | 42.5 | 1,165 ft |
| April | 43.7 | 1,246 ft | 58.2 | 2,205 ft |
| May | 55.1 | 2,002 ft | 69.4 | 2,923 ft |
| June | 64.2 | 2,592 ft | 78.0 | 3,461 ft |
| July | 70.6 | 2,998 ft | 85.5 | 3,922 ft |
| August | 69.8 | 2,948 ft | 85.9 | 3,947 ft |
| September | 60.3 | 2,341 ft | 76.8 | 3,387 ft |
| October | 45.4 | 1,360 ft | 58.9 | 2,250 ft |
| November | 29.4 | 267 ft | 41.0 | 1,064 ft |
| December | 17.9 | −547 ft | 27.8 | 155 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 KHZE
DENSITY ALTITUDE
Field elevation 1,815 ft — the air behaves like 3,953 ft.
- PRESSURE ALT
- 1,816 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 North Dakota fields
- 95D — Beulah
Beulah · elev 1,791 ft
- 37N — Garrison Dam Recreational Airpark
Riverdale · elev 1,723 ft
- D05 — Garrison Municipal
Garrison · elev 1,937 ft
- 5C8 — Washburn Municipal
Washburn · elev 1,908 ft
- 91N — Turtle Lake Municipal
Turtle Lake · elev 1,916 ft
- D57 — Glen Ullin Regional
Glen Ullin · elev 2,091 ft
- 4E8 — Richardton
Richardton · elev 2,498 ft
- Y19 — Mandan Regional/Lawler Field
Mandan · elev 1,944 ft
Frequently asked questions
How high does density altitude get at KHZE in summer?
On a typical August afternoon — around 86 °F at the nearest NOAA normals station — density altitude at Mercer County Regional reaches roughly 3,947 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 KHZE on an average day?
It swings with the seasons: from roughly −901 ft at the coldest month's average temperature to about 2,998 ft at the warmest month's — all from a constant field elevation of 1,815 ft. The month-by-month table above carries the full year.
What is the field elevation of Mercer County Regional?
1,815 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KHZE (ICAO) / HZE (FAA), in Hazen, North Dakota.