condition mean min max 2 h after light 1.138391 0.595943 2.02298 6 h after light 0.7089143333333333 0.23938 1.0264 10 h after light 0.999818 0.503764 1.4396 2 h after dark 1.8812703333333334 0.330241 3.46684 6 h after dark 0.43205866666666665 0.0 0.678992 10 h after dark 0.9495279999999999 0.327685 2.15909