condition mean min max 4 h after light 233.3236685 213.693595 252.953742 8 h after light 331.353348 318.462826 344.24387 12 h after light 536.669561 407.689547 665.649575 4 h after dark 313.866919 238.575268 389.15857 8 h after dark 364.9387775 353.541951 376.335604 12 h after dark 237.920203 237.920203 237.920203