West Lafayette, Ohio · field elev 844 ft
Density Altitude at Tri-City (80G)
Tri-City sits at 844 ft, and even a typical July afternoon (83 °F) only lifts density altitude to about 2,610 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 | 28.3 | −1,024 ft | 36.6 | −445 ft |
| February | 31.1 | −827 ft | 40.3 | −191 ft |
| March | 39.8 | −225 ft | 50.2 | 478 ft |
| April | 51.3 | 552 ft | 63.1 | 1,327 ft |
| May | 61.1 | 1,197 ft | 72.6 | 1,935 ft |
| June | 69.2 | 1,719 ft | 80.0 | 2,400 ft |
| July | 72.9 | 1,954 ft | 83.4 | 2,610 ft |
| August | 71.4 | 1,859 ft | 82.2 | 2,536 ft |
| September | 64.6 | 1,424 ft | 75.9 | 2,143 ft |
| October | 53.0 | 665 ft | 64.5 | 1,417 ft |
| November | 41.8 | −88 ft | 51.8 | 585 ft |
| December | 32.9 | −702 ft | 41.0 | −143 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 80G
DENSITY ALTITUDE
Field elevation 844 ft — the air behaves like 2,586 ft.
- PRESSURE ALT
- 845 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
- I40 — Richard Downing
Coshocton · elev 979 ft
- KCDI — Cambridge Municipal
Cambridge · elev 799 ft
- 42I — Parr
Zanesville · elev 790 ft
- KZZV — Zanesville Municipal
Zanesville · elev 900 ft
- KPHD — Harry Clever Field
New Philadelphia · elev 894 ft
- 10G — Holmes County
Millersburg · elev 1,227 ft
- 2D7 — Beach City
Beach City · elev 984 ft
- I10 — Noble County
Caldwell · elev 879 ft
Frequently asked questions
How high does density altitude get at 80G in summer?
On a typical July afternoon — around 83 °F at the nearest NOAA normals station — density altitude at Tri-City reaches roughly 2,610 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 80G on an average day?
It swings with the seasons: from roughly −1,024 ft at the coldest month's average temperature to about 1,954 ft at the warmest month's — all from a constant field elevation of 844 ft. The month-by-month table above carries the full year.
What is the field elevation of Tri-City?
844 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 80G (FAA), in West Lafayette, Ohio.