Othello, Washington · field elev 1,149 ft
Density Altitude at Othello Municipal (S70)
Othello Municipal sits at 1,149 ft, and even a typical July afternoon (90 °F) only lifts density altitude to about 3,362 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 | 32.9 | −321 ft | 39.2 | 113 ft |
| February | 37.5 | −3 ft | 46.1 | 582 ft |
| March | 44.1 | 447 ft | 55.8 | 1,226 ft |
| April | 51.0 | 909 ft | 64.7 | 1,805 ft |
| May | 59.1 | 1,442 ft | 73.8 | 2,384 ft |
| June | 65.2 | 1,837 ft | 80.3 | 2,791 ft |
| July | 72.4 | 2,296 ft | 89.6 | 3,362 ft |
| August | 71.4 | 2,233 ft | 88.1 | 3,270 ft |
| September | 63.3 | 1,715 ft | 79.2 | 2,722 ft |
| October | 50.8 | 896 ft | 63.9 | 1,754 ft |
| November | 39.5 | 134 ft | 47.6 | 682 ft |
| December | 32.9 | −321 ft | 38.5 | 65 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 S70
DENSITY ALTITUDE
Field elevation 1,149 ft — the air behaves like 3,386 ft.
- PRESSURE ALT
- 1,150 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 Washington fields
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- W20 — Moses Lake Municipal
Moses Lake · elev 1,203 ft
- 0S0 — Lind
Lind · elev 1,507 ft
- W09 — Lower Monumental State
Kahlotus · elev 813 ft
- KMWH — Grant County International
Moses Lake · elev 1,189 ft
- KRLD — Richland
Richland · elev 394 ft
- KPSC — Tri-Cities
Pasco · elev 410 ft
- 33S — Pru Field
Ritzville · elev 1,801 ft
Frequently asked questions
How high does density altitude get at S70 in summer?
On a typical July afternoon — around 90 °F at the nearest NOAA normals station — density altitude at Othello Municipal reaches roughly 3,362 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 S70 on an average day?
It swings with the seasons: from roughly −321 ft at the coldest month's average temperature to about 2,296 ft at the warmest month's — all from a constant field elevation of 1,149 ft. The month-by-month table above carries the full year.
What is the field elevation of Othello Municipal?
1,149 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is S70 (FAA), in Othello, Washington.