4201 Bloomfield Road · Sebastopol

Sun & Wind Simulator

Custom ADU pad 38.3371, −122.8389 348 ft elevation
streaks = live wind · cyan edge = windward · green = sheltered · ☀ = sun
Adjust the building
Date · Time
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Sun status
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Sun altitude
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Sun azimuth
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Sun intensity
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Daylight (flat horizon)
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☀ Direct sun reaching the site — terrain-adjusted
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Wind now & 24-hour cycle (10-yr avg, this season · gold = now)
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Hours of direct sun on each wall today
▮ sunlit · ▮ shaded · ▮ terrain shadow · ▮ deck · ▮ windward face · ▮ wind-sheltered by terrain/trees (streaks slow here).
Sun NOAA/SunCalc · terrain & tree shelter via 6 km DEM · wind = 10-yr hourly ERA5 by hour & season.