condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.006602566666666667 0.0 0.0198077 12 h after light 0.0 0.0 0.0 3 h after dark 0.0 0.0 0.0 6 h after dark 0.007571366666666667 0.0 0.0227141 9 h after dark 0.0 0.0 0.0 12 h after dark 0.03427093333333333 0.0 0.0712574