New Roads, Louisiana · field elev 39 ft
Density Altitude at False River Regional (KHZR)
False River Regional sits at 39 ft, and even a typical July afternoon (92 °F) only lifts density altitude to about 2,182 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 | 51.5 | −432 ft | 61.1 | 204 ft |
| February | 55.2 | −185 ft | 65.1 | 465 ft |
| March | 61.7 | 244 ft | 72.1 | 916 ft |
| April | 68.4 | 678 ft | 78.7 | 1,334 ft |
| May | 76.0 | 1,163 ft | 85.8 | 1,776 ft |
| June | 81.8 | 1,528 ft | 90.7 | 2,078 ft |
| July | 83.8 | 1,652 ft | 92.4 | 2,182 ft |
| August | 83.6 | 1,640 ft | 92.4 | 2,182 ft |
| September | 79.8 | 1,403 ft | 88.8 | 1,961 ft |
| October | 70.3 | 800 ft | 80.7 | 1,459 ft |
| November | 60.2 | 145 ft | 70.8 | 832 ft |
| December | 53.6 | −291 ft | 63.3 | 348 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 KHZR
DENSITY ALTITUDE
Field elevation 39 ft — the air behaves like 2,157 ft.
- PRESSURE ALT
- 40 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 Louisiana fields
- LA3 — Feliciana Airpark
Jackson · elev 204 ft
- KBTR — Baton Rouge Metro, Ryan Field
Baton Rouge · elev 70 ft
- KOPL — St Landry Parish
Opelousas · elev 74 ft
- KMKV — Marksville Municipal
Marksville · elev 78 ft
- KLFT — Lafayette Regional/Paul Fournet Field
Lafayette · elev 41 ft
- 2R6 — Bunkie Municipal
Bunkie · elev 62 ft
- KREG — Louisiana Regional
Gonzales · elev 14 ft
- KARA — Acadiana Regional
New Iberia · elev 24 ft
Frequently asked questions
How high does density altitude get at KHZR in summer?
On a typical July afternoon — around 92 °F at the nearest NOAA normals station — density altitude at False River Regional reaches roughly 2,182 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 KHZR on an average day?
It swings with the seasons: from roughly −432 ft at the coldest month's average temperature to about 1,652 ft at the warmest month's — all from a constant field elevation of 39 ft. The month-by-month table above carries the full year.
What is the field elevation of False River Regional?
39 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KHZR (ICAO) / HZR (FAA), in New Roads, Louisiana.