condition mean min max 4 h after light 3.26997 3.234 3.30594 8 h after light 4.26826 4.14415 4.39237 12 h after light 4.767435 4.31923 5.21564 4 h after dark 5.903309999999999 5.63139 6.17523 8 h after dark 4.600215 4.16536 5.03507 12 h after dark 4.399255 4.15874 4.63977