Hurdle Mills, North Carolina · field elev 653 ft
Density Altitude at Whitfield Farms (4W4)
Whitfield Farms sits at 653 ft, and even a typical July afternoon (90 °F) only lifts density altitude to about 2,770 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 | 38.8 | −531 ft | 48.6 | 135 ft |
| February | 41.8 | −326 ft | 52.4 | 389 ft |
| March | 49.0 | 161 ft | 60.4 | 916 ft |
| April | 58.6 | 798 ft | 70.5 | 1,567 ft |
| May | 66.9 | 1,337 ft | 78.1 | 2,047 ft |
| June | 75.0 | 1,853 ft | 86.3 | 2,556 ft |
| July | 78.9 | 2,097 ft | 89.8 | 2,770 ft |
| August | 76.9 | 1,972 ft | 87.0 | 2,599 ft |
| September | 70.7 | 1,580 ft | 81.3 | 2,247 ft |
| October | 59.5 | 857 ft | 70.7 | 1,580 ft |
| November | 49.3 | 182 ft | 60.9 | 948 ft |
| December | 41.6 | −339 ft | 51.4 | 322 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 4W4
DENSITY ALTITUDE
Field elevation 653 ft — the air behaves like 2,783 ft.
- PRESSURE ALT
- 654 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 Carolina fields
- KTDF — Raleigh Regional At Person County
Roxboro · elev 609 ft
- 6W4 — Yanceyville Municipal
Yanceyville · elev 648 ft
- KBUY — Burlington/Alamance Regional
Burlington · elev 616 ft
- KHNZ — Henderson/Oxford
Oxford · elev 526 ft
- KRDU — Raleigh-Durham International
Raleigh/Durham · elev 435 ft
- N61 — Hinshaw (Greenacres)
Liberty · elev 750 ft
- N88 — Kecks
Julian · elev 724 ft
- W88 — Air Harbor
Greensboro · elev 822 ft
Frequently asked questions
How high does density altitude get at 4W4 in summer?
On a typical July afternoon — around 90 °F at the nearest NOAA normals station — density altitude at Whitfield Farms reaches roughly 2,770 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 4W4 on an average day?
It swings with the seasons: from roughly −531 ft at the coldest month's average temperature to about 2,097 ft at the warmest month's — all from a constant field elevation of 653 ft. The month-by-month table above carries the full year.
What is the field elevation of Whitfield Farms?
653 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 4W4 (FAA), in Hurdle Mills, North Carolina.