Orofino, Idaho · field elev 1,005 ft
Density Altitude at Orofino Municipal (S68)
Orofino Municipal sits at 1,005 ft, and even a typical August afternoon (90 °F) only lifts density altitude to about 3,199 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 | 33.8 | −438 ft | 40.0 | −11 ft |
| February | 37.5 | −182 ft | 46.0 | 396 ft |
| March | 43.7 | 241 ft | 54.7 | 976 ft |
| April | 50.3 | 684 ft | 62.9 | 1,512 ft |
| May | 58.2 | 1,206 ft | 71.7 | 2,075 ft |
| June | 64.3 | 1,602 ft | 77.8 | 2,459 ft |
| July | 72.2 | 2,107 ft | 89.5 | 3,181 ft |
| August | 72.0 | 2,094 ft | 89.8 | 3,199 ft |
| September | 63.7 | 1,564 ft | 79.9 | 2,590 ft |
| October | 51.0 | 731 ft | 62.9 | 1,512 ft |
| November | 40.0 | −11 ft | 47.5 | 497 ft |
| December | 33.3 | −473 ft | 38.9 | −86 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 S68
DENSITY ALTITUDE
Field elevation 1,005 ft — the air behaves like 3,211 ft.
- PRESSURE ALT
- 1,006 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 Idaho fields
- 0S5 — Nezperce Municipal
Nezperce · elev 3,204 ft
- S89 — Craigmont Municipal
Craigmont · elev 3,805 ft
- S73 — Kamiah Municipal
Kamiah · elev 1,206 ft
- S82 — Kooskia Municipal
Kooskia · elev 1,263 ft
- S84 — Cottonwood Municipal
Cottonwood · elev 3,474 ft
- KLWS — Lewiston/Nez Perce County
Lewiston · elev 1,442 ft
- KGIC — Idaho County
Grangeville · elev 3,313 ft
- I45 — Wapshilla
Winchester · elev 1,415 ft
Frequently asked questions
How high does density altitude get at S68 in summer?
On a typical August afternoon — around 90 °F at the nearest NOAA normals station — density altitude at Orofino Municipal reaches roughly 3,199 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 S68 on an average day?
It swings with the seasons: from roughly −473 ft at the coldest month's average temperature to about 2,107 ft at the warmest month's — all from a constant field elevation of 1,005 ft. The month-by-month table above carries the full year.
What is the field elevation of Orofino Municipal?
1,005 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is S68 (FAA), in Orofino, Idaho.