condition mean min max 0 h after light 8.962435 8.67742 9.24745 2 h after light 7.228425 6.78378 7.67307 4 h after light 6.96047 6.08471 7.83623 8 h after light 6.00945 5.37457 6.64433 12 h after light 12.48275 12.154 12.8115 2 h after dark 12.59475 11.4399 13.7496 4 h after dark 13.4906 12.7589 14.2223 8 h after dark 15.639399999999998 15.0922 16.1866 12 h after dark 12.431000000000001 12.1813 12.6807