Woodland, California · field elev 125 ft
Density Altitude at Watts-Woodland (O41)
Watts-Woodland sits at 125 ft, and even a typical July afternoon (95 °F) only lifts density altitude to about 2,438 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 | 46.9 | −635 ft | 56.2 | −12 ft |
| February | 51.2 | −345 ft | 61.7 | 350 ft |
| March | 55.7 | −45 ft | 67.5 | 726 ft |
| April | 60.4 | 264 ft | 74.0 | 1,142 ft |
| May | 67.0 | 694 ft | 81.9 | 1,639 ft |
| June | 73.2 | 1,091 ft | 89.6 | 2,115 ft |
| July | 76.5 | 1,300 ft | 94.9 | 2,438 ft |
| August | 75.8 | 1,256 ft | 94.3 | 2,402 ft |
| September | 73.1 | 1,085 ft | 90.3 | 2,158 ft |
| October | 65.0 | 564 ft | 79.7 | 1,502 ft |
| November | 54.0 | −158 ft | 65.4 | 590 ft |
| December | 47.0 | −628 ft | 56.4 | 1 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 O41
DENSITY ALTITUDE
Field elevation 125 ft — the air behaves like 2,444 ft.
- PRESSURE ALT
- 126 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 California fields
- KDWA — Yolo County
Davis/Woodland/Winters · elev 100 ft
- KEDU — University
Davis · elev 70 ft
- KSMF — Sacramento International
Sacramento · elev 27 ft
- KVCB — Nut Tree
Vacaville · elev 117 ft
- L36 — Rio Linda
Rio Linda · elev 46 ft
- KSAC — Sacramento Exec
Sacramento · elev 23 ft
- KMCC — Mc Clellan Airfield
Sacramento · elev 77 ft
- 2O3 — Angwin-Parrett Field
Angwin · elev 1,875 ft
Frequently asked questions
How high does density altitude get at O41 in summer?
On a typical July afternoon — around 95 °F at the nearest NOAA normals station — density altitude at Watts-Woodland reaches roughly 2,438 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 O41 on an average day?
It swings with the seasons: from roughly −635 ft at the coldest month's average temperature to about 1,300 ft at the warmest month's — all from a constant field elevation of 125 ft. The month-by-month table above carries the full year.
What is the field elevation of Watts-Woodland?
125 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is O41 (FAA), in Woodland, California.