condition mean min max 0 h after light 4.510515 0.0 9.02103 2 h after light 2.75265 2.35427 3.15103 4 h after light 1.588725 0.56638 2.61107 8 h after light 0.59195 0.0 1.1839 12 h after light 12.272405 1.03351 23.5113 2 h after dark 4.730905 0.0 9.46181 4 h after dark 3.124225 1.14252 5.10593 8 h after dark 4.02273 2.18783 5.85763 12 h after dark 6.997985 1.68487 12.3111