condition mean min max 4 h after light 0.6614993333333333 0.512778 0.928682 8 h after light 0.34409316666666667 0.0895315 0.56184 12 h after light 0.327378 0.133089 0.452865 4 h after dark 0.529941 0.148059 0.916702 8 h after dark 0.764381 0.323761 1.24038 12 h after dark 1.0574506666666668 0.32718 1.95626