condition mean min max 4 h after light 1.4536099999999998 1.28959 1.61763 8 h after light 1.561075 1.20169 1.92046 12 h after light 1.602455 1.21366 1.99125 4 h after dark 2.3624066666666668 1.84492 3.20952 8 h after dark 1.9662533333333334 1.64145 2.22483 12 h after dark 1.100823 0.812269 1.36436