condition mean min max 0 h after light 0.23780400000000002 0.234323 0.241285 4 h after light 0.289035 0.285483 0.292587 8 h after light 0.20752700000000002 0.206405 0.208649 4 h after dark 0.4941565 0.468606 0.519707 8 h after dark 0.475174 0.415704 0.534644 12 h after dark 0.22682199999999997 0.163453 0.290191