condition mean min max 4 h after light 697.5738 597.6891 762.7086 8 h after light 896.1388666666667 813.8023 1023.051 12 h after light 877.7919666666667 685.2527 1168.069 16 h after light 1401.031 1260.813 1513.649 4 h after dark 810.1830333333334 698.6934 897.61 8 h after dark 592.5249 385.2937 747.9334