condition mean min max 0 h after light 0.2866192 0.0636734 0.509565 4 h after light 0.09518394999999999 0.0647629 0.125605 8 h after light 0.062883 0.0 0.125766 4 h after dark 0.125587 0.0 0.251174 8 h after dark 0.0946697 0.0628414 0.126498 12 h after dark 0.285745 0.187034 0.384456