condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.08547533333333333 0.0 0.256426 12 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.47113 0.0 1.41339 12 h after dark 0.17612066666666668 0.0 0.528362