condition mean min max 0 h after light 0.6460319999999999 0.645456 0.646608 4 h after light 0.5648195 0.493254 0.636385 8 h after light 0.7207095 0.164259 1.27716 4 h after dark 1.1911049999999999 1.10936 1.27285 8 h after dark 0.47744050000000005 0.160263 0.794618 12 h after dark 0.637569 0.630549 0.644589