Huntington, West Virginia · field elev 550 ft
Density Altitude at Robert Newlon Field (I41)
Robert Newlon Field sits at 550 ft, and even a typical July afternoon (89 °F) only lifts density altitude to about 2,566 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 | 35.5 | −888 ft | 44.3 | −284 ft |
| February | 38.8 | −660 ft | 49.0 | 34 ft |
| March | 46.7 | −121 ft | 58.5 | 664 ft |
| April | 57.6 | 605 ft | 71.3 | 1,492 ft |
| May | 66.2 | 1,165 ft | 78.4 | 1,940 ft |
| June | 74.1 | 1,669 ft | 85.5 | 2,381 ft |
| July | 77.8 | 1,903 ft | 88.5 | 2,566 ft |
| August | 76.4 | 1,815 ft | 87.4 | 2,498 ft |
| September | 69.9 | 1,402 ft | 81.6 | 2,140 ft |
| October | 58.3 | 651 ft | 70.5 | 1,441 ft |
| November | 47.1 | −94 ft | 58.3 | 651 ft |
| December | 39.5 | −612 ft | 48.2 | −20 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 I41
DENSITY ALTITUDE
Field elevation 550 ft — the air behaves like 2,596 ft.
- PRESSURE ALT
- 551 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 West Virginia fields
- 12V — Ona Airpark
Milton · elev 572 ft
- KHTS — Tri-State/Milton J Ferguson Field
Huntington · elev 828 ft
- 3I2 — Mason County
Point Pleasant · elev 643 ft
- KCRW — West Virginia International Yeager
Charleston · elev 947 ft
- I18 — Jackson County
Ravenswood · elev 758 ft
- 6L4 — Logan County
Logan · elev 1,666 ft
- KEBD — Southern West Virginia Regional
Williamson · elev 1,883 ft
- KUSW — Boggs Field
Spencer · elev 928 ft
Frequently asked questions
How high does density altitude get at I41 in summer?
On a typical July afternoon — around 89 °F at the nearest NOAA normals station — density altitude at Robert Newlon Field reaches roughly 2,566 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 I41 on an average day?
It swings with the seasons: from roughly −888 ft at the coldest month's average temperature to about 1,903 ft at the warmest month's — all from a constant field elevation of 550 ft. The month-by-month table above carries the full year.
What is the field elevation of Robert Newlon Field?
550 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is I41 (FAA), in Huntington, West Virginia.