condition mean min max 3 h after light 0.092391 0.0 0.16022 6 h after light 0.03528133333333333 0.0 0.105844 9 h after light 0.095017 0.0 0.285051 12 h after light 0.207738525 0.0 0.545756 3 h after dark 0.16057533333333332 0.0 0.361299 6 h after dark 0.092121 0.0 0.172321 9 h after dark 0.09554033333333332 0.0 0.176944 12 h after dark 0.0 0.0 0.0