condition mean min max 0 h after light 0.315235 0.188905 0.441565 4 h after light 0.219368 0.12832 0.310416 8 h after light 0.09434645 0.0640979 0.124595 4 h after dark 0.186262 0.0 0.372524 8 h after dark 0.1555625 0.125077 0.186048 12 h after dark 0.1551545 0.125767 0.184542