condition mean min max 4 h after light 17.0321 16.3536 17.7106 8 h after light 11.4749 10.9436 12.0062 12 h after light 10.17122 9.12934 11.2131 4 h after dark 8.27995 8.09732 8.63017 8 h after dark 11.676033333333333 10.5306 12.594 12 h after dark 12.396566666666667 12.2996 12.5639