Bates City, Missouri · field elev 860 ft
Density Altitude at Harry S Truman Regional (2M1)
Harry S Truman Regional sits at 860 ft, and even a typical July afternoon (88 °F) only lifts density altitude to about 2,894 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 | 28.1 | −1,018 ft | 38.1 | −322 ft |
| February | 32.9 | −682 ft | 43.3 | 34 ft |
| March | 43.4 | 40 ft | 54.4 | 777 ft |
| April | 53.5 | 718 ft | 64.6 | 1,443 ft |
| May | 63.6 | 1,379 ft | 74.3 | 2,062 ft |
| June | 72.9 | 1,974 ft | 83.2 | 2,618 ft |
| July | 77.2 | 2,244 ft | 87.7 | 2,894 ft |
| August | 75.7 | 2,150 ft | 86.7 | 2,833 ft |
| September | 67.5 | 1,630 ft | 79.1 | 2,363 ft |
| October | 55.6 | 856 ft | 67.5 | 1,630 ft |
| November | 43.1 | 20 ft | 53.7 | 731 ft |
| December | 32.7 | −696 ft | 42.4 | −28 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 2M1
DENSITY ALTITUDE
Field elevation 860 ft — the air behaves like 2,913 ft.
- PRESSURE ALT
- 861 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 Missouri fields
- 3GV — East Kansas City
Grain Valley · elev 835 ft
- KLXT — Kansas City/Lee'S Summit Regional
Lee'S Summit · elev 1,004 ft
- KHIG — Higginsville Industrial Municipal
Higginsville · elev 840 ft
- KRCM — Skyhaven
Warrensburg · elev 798 ft
- 3EX — Excelsior Springs Meml
Excelsior Springs · elev 1,000 ft
- KGPH — Midwest Ntl Air Center
Mosby · elev 777 ft
- 0N0 — Roosterville
Liberty · elev 1,004 ft
- KMKC — Kansas City Downtown/Wheeler Field
Kansas City · elev 757 ft
Frequently asked questions
How high does density altitude get at 2M1 in summer?
On a typical July afternoon — around 88 °F at the nearest NOAA normals station — density altitude at Harry S Truman Regional reaches roughly 2,894 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 2M1 on an average day?
It swings with the seasons: from roughly −1,018 ft at the coldest month's average temperature to about 2,244 ft at the warmest month's — all from a constant field elevation of 860 ft. The month-by-month table above carries the full year.
What is the field elevation of Harry S Truman Regional?
860 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 2M1 (FAA), in Bates City, Missouri.