condition mean min max 4 h after light 347.092656 301.361479 392.823833 8 h after light 381.119505 375.358622 386.880388 12 h after light 399.833483 330.539749 469.127217 4 h after dark 361.6758145 330.616672 392.734957 8 h after dark 213.2907135 193.195524 233.385903 12 h after dark 322.291381 322.291381 322.291381