condition mean min max 0 h after light 1.0087234999999999 0.505037 1.51241 4 h after light 1.532721 0.497052 2.56839 8 h after light 0.4987665 0.0 0.997533 4 h after dark 0.248542 0.0 0.497084 8 h after dark 0.49860499999999996 0.496513 0.500697 12 h after dark 0.25173 0.0 0.50346