condition mean min max 0 h after light 0.1549065 0.154555 0.155258 4 h after light 0.3105055 0.153125 0.467886 8 h after light 0.3063905 0.15652 0.456261 4 h after dark 0.151316 0.0 0.302632 8 h after dark 0.3831475 0.302186 0.464109 12 h after dark 0.227655 0.149471 0.305839