condition mean min max 0 h after light 3.63224 3.52566 3.73882 2 h after light 8.381375 7.96001 8.80274 4 h after light 13.1044 12.8954 13.3134 8 h after light 26.931449999999998 26.5277 27.3352 12 h after light 13.15845 12.7342 13.5827 2 h after dark 5.1566 4.29978 6.01342 4 h after dark 5.686249999999999 5.35391 6.01859 8 h after dark 6.076435 5.87901 6.27386 12 h after dark 3.830795 3.67345 3.98814