condition mean min max 4 h after light 1928.3042679999999 1775.983992 2080.624544 8 h after light 1073.0220555 777.439722 1368.604389 12 h after light 748.1199300000001 420.656298 1075.583562 4 h after dark 266.2614275 22.290694 510.232161 8 h after dark 173.1645725 47.2566 299.072545 12 h after dark 2969.424364 2969.424364 2969.424364