Facility Attendance Predictor

User Date (MM/DD/YYYY) user input


Click for Muskegon, Michigan Forecast

This JavaScript sheet computes the probably that members will be observing at our wastewater facility/observatory on a given night: Factors include day of week, month of year, and moon visibility. Hopefully a future version will factor in current weather.

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This web site was last updated 04/24/02