Wilmington, Ohio · field elev 1,090 ft
Density Altitude at Hollister Field (2B6)
Hollister Field sits at 1,090 ft, and even a typical July afternoon (84 °F) only lifts density altitude to about 2,954 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 | 29.1 | −660 ft | 36.8 | −125 ft |
| February | 32.2 | −443 ft | 40.7 | 142 ft |
| March | 41.2 | 177 ft | 50.7 | 816 ft |
| April | 52.7 | 949 ft | 63.6 | 1,662 ft |
| May | 62.5 | 1,591 ft | 72.9 | 2,255 ft |
| June | 70.9 | 2,129 ft | 81.5 | 2,793 ft |
| July | 73.6 | 2,300 ft | 84.1 | 2,954 ft |
| August | 72.0 | 2,198 ft | 82.9 | 2,880 ft |
| September | 65.6 | 1,790 ft | 77.3 | 2,532 ft |
| October | 54.5 | 1,068 ft | 65.1 | 1,758 ft |
| November | 42.9 | 292 ft | 52.0 | 903 ft |
| December | 34.0 | −318 ft | 41.3 | 183 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 2B6
DENSITY ALTITUDE
Field elevation 1,090 ft — the air behaves like 2,947 ft.
- PRESSURE ALT
- 1,091 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 Ohio fields
- KILN — Wilmington Air Park
Wilmington · elev 1,077 ft
- I66 — Clinton Field
Wilmington · elev 1,033 ft
- I23 — Fayette County
Washington Court House · elev 980 ft
- KHOC — Highland County
Hillsboro · elev 977 ft
- 40I — Red Stewart Airfield
Waynesville · elev 955 ft
- KGDK — Greene County/Lewis A Jackson Regional
Dayton · elev 949 ft
- KSGH — Springfield/Beckley Municipal
Springfield · elev 1,051 ft
- I68 — Warren County/John Lane Field
Lebanon · elev 898 ft
Frequently asked questions
How high does density altitude get at 2B6 in summer?
On a typical July afternoon — around 84 °F at the nearest NOAA normals station — density altitude at Hollister Field reaches roughly 2,954 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 2B6 on an average day?
It swings with the seasons: from roughly −660 ft at the coldest month's average temperature to about 2,300 ft at the warmest month's — all from a constant field elevation of 1,090 ft. The month-by-month table above carries the full year.
What is the field elevation of Hollister Field?
1,090 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 2B6 (FAA), in Wilmington, Ohio.