condition mean min max 0 h after light 2.498145 1.74828 3.24801 2 h after light 1.73163 1.51843 1.94483 4 h after light 1.399045 1.10007 1.69802 8 h after light 1.28328 1.22992 1.33664 12 h after light 3.694905 3.58397 3.80584 2 h after dark 3.865265 3.27203 4.4585 4 h after dark 3.44684 3.32987 3.56381 8 h after dark 4.65809 4.38391 4.93227 12 h after dark 3.11402 3.0048 3.22324