Wolf Point, Montana · field elev 1,989 ft
Density Altitude at L M Clayton (KOLF)
L M Clayton sits at 1,989 ft, and even a typical July afternoon (87 °F) only lifts density altitude to about 4,201 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 | 13.5 | −646 ft | 24.7 | 155 ft |
| February | 17.9 | −329 ft | 29.6 | 498 ft |
| March | 31.0 | 595 ft | 43.3 | 1,435 ft |
| April | 44.1 | 1,489 ft | 58.5 | 2,438 ft |
| May | 54.9 | 2,204 ft | 69.5 | 3,142 ft |
| June | 64.3 | 2,812 ft | 78.3 | 3,692 ft |
| July | 71.3 | 3,256 ft | 86.6 | 4,201 ft |
| August | 69.9 | 3,167 ft | 86.1 | 4,171 ft |
| September | 58.8 | 2,458 ft | 74.9 | 3,481 ft |
| October | 44.4 | 1,509 ft | 58.6 | 2,445 ft |
| November | 28.9 | 449 ft | 40.9 | 1,273 ft |
| December | 17.1 | −386 ft | 28.4 | 414 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 KOLF
DENSITY ALTITUDE
Field elevation 1,989 ft — the air behaves like 4,225 ft.
- PRESSURE ALT
- 1,990 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 Montana fields
- PO1 — Poplar Municipal
Poplar · elev 2,037 ft
- 7U8 — Richey
Richey · elev 2,494 ft
- 37S — Fort Peck
Fort Peck · elev 2,290 ft
- 4U6 — Circle Town County
Circle · elev 2,441 ft
- KGGW — Wokal Field/Glasgow-Valley County
Glasgow · elev 2,296 ft
- S85 — Big Sky Field
Culbertson · elev 1,953 ft
- 9S2 — Scobey
Scobey · elev 2,434 ft
- 8U3 — Scobey Border Station/East Poplar International
Scobey · elev 2,501 ft
Frequently asked questions
How high does density altitude get at KOLF in summer?
On a typical July afternoon — around 87 °F at the nearest NOAA normals station — density altitude at L M Clayton reaches roughly 4,201 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 KOLF on an average day?
It swings with the seasons: from roughly −646 ft at the coldest month's average temperature to about 3,256 ft at the warmest month's — all from a constant field elevation of 1,989 ft. The month-by-month table above carries the full year.
What is the field elevation of L M Clayton?
1,989 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KOLF (ICAO) / OLF (FAA), in Wolf Point, Montana.