Columbus, Montana · field elev 3,578 ft
Density Altitude at Woltermann Meml (6S3)
From a field elevation of 3,578 ft, a typical July afternoon at Woltermann Meml (85 °F) raises density altitude to about 6,059 ft — solidly into the range where performance charts deserve a close read.
Typical density altitude by month
| Month | Avg temp °F | DA at avg temp | Afternoon high °F | DA on a typical afternoon |
|---|---|---|---|---|
| January | 23.4 | 2,049 ft | 36.8 | 2,968 ft |
| February | 26.7 | 2,278 ft | 40.3 | 3,203 ft |
| March | 35.6 | 2,887 ft | 50.5 | 3,876 ft |
| April | 43.1 | 3,389 ft | 58.0 | 4,360 ft |
| May | 52.0 | 3,973 ft | 66.8 | 4,918 ft |
| June | 60.4 | 4,513 ft | 75.9 | 5,482 ft ▲ |
| July | 67.7 | 4,974 ft | 85.4 | 6,059 ft ▲ |
| August | 65.9 | 4,861 ft | 84.1 | 5,981 ft ▲ |
| September | 56.7 | 4,277 ft | 74.2 | 5,378 ft ▲ |
| October | 44.7 | 3,495 ft | 60.0 | 4,488 ft |
| November | 32.6 | 2,683 ft | 46.4 | 3,607 ft |
| December | 23.7 | 2,070 ft | 36.6 | 2,954 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 6S3
DENSITY ALTITUDE caution
Field elevation 3,578 ft — the air behaves like 6,035 ft.
- PRESSURE ALT
- 3,580 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
- 6S8 — Laurel Municipal
Laurel · elev 3,543 ft
- 6S1 — Bridger Municipal
Bridger · elev 3,720 ft
- KRED — Red Lodge
Red Lodge · elev 5,762 ft
- KBIL — Billings Logan International
Billings · elev 3,662 ft
- 6S0 — Big Timber At Howard Field
Big Timber · elev 4,494 ft
- 8U0 — Ryegate
Ryegate · elev 3,689 ft
- 80S — Lavina
Lavina · elev 3,512 ft
- KLVM — Mission Field
Livingston · elev 4,659 ft
Frequently asked questions
How high does density altitude get at 6S3 in summer?
On a typical July afternoon — around 85 °F at the nearest NOAA normals station — density altitude at Woltermann Meml reaches roughly 6,059 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 6S3 on an average day?
It swings with the seasons: from roughly 2,049 ft at the coldest month's average temperature to about 4,974 ft at the warmest month's — all from a constant field elevation of 3,578 ft. The month-by-month table above carries the full year.
What is the field elevation of Woltermann Meml?
3,578 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 6S3 (FAA), in Columbus, Montana.