Monday February 4, 2019 at Chez Butternut

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Legend

• Gray/Light Background: night/day, using the astronomical definition of sunrise and sunset (upper edge of sun's disk on the horizon). Intermediate area marks civil twilight (center of sun 6° below the horizon).
• Temperature: the dark line is this day's temperature, the lighter one is the previous day's.
• Pressure: the faint line at bottom shows atmospheric pressure. No units: it's just there for seeing trends.
• Max Wind Speed: The blueish lines coming from the top indicate maximum wind speed. They change color at 10, 20, and 30 mph.

About the Weather Station