condition mean min max 0 h after light 8.133469999999999 7.51441 8.75253 2 h after light 8.443835 7.89798 8.98969 4 h after light 9.22637 8.81487 9.63787 8 h after light 8.82558 8.49136 9.1598 12 h after light 11.352450000000001 10.8275 11.8774 2 h after dark 12.7499 11.1688 14.331 4 h after dark 12.72845 12.4319 13.025 8 h after dark 10.728695 9.69899 11.7584 12 h after dark 10.459900000000001 9.6112 11.3086