condition mean min max 0 h after light 11.29405 10.3732 12.2149 4 h after light 11.04755 10.2275 11.8676 8 h after light 11.49915 11.1151 11.8832 4 h after dark 9.67354 8.22178 11.1253 8 h after dark 9.98677 9.39874 10.5748 12 h after dark 10.159600000000001 9.7781 10.5411