condition mean min max 4 h after light 415.33560750000004 185.900697 644.770518 8 h after light 247.98364700000002 183.303861 312.663433 12 h after light 179.177856 168.385527 189.970185 4 h after dark 425.120933 195.053815 655.188051 8 h after dark 660.188787 475.044867 845.332707 12 h after dark 691.935614 691.935614 691.935614