condition mean min max 3 h after light 0.5654703333333333 0.312034 0.796686 6 h after light 1.2541386666666665 0.721016 1.908 9 h after light 0.68933 0.448104 0.850721 12 h after light 0.82416025 0.293891 1.47556 3 h after dark 0.981138 0.504834 1.42886 6 h after dark 0.6929813333333333 0.503019 0.812672 9 h after dark 0.55065 0.324517 0.91954 12 h after dark 0.76783 0.562451 0.973209