condition mean min max 0 h after light 11.9134 10.8233 13.0035 2 h after light 12.3202 12.2204 12.42 4 h after light 12.14115 10.5508 13.7315 8 h after light 11.64765 10.6836 12.6117 12 h after light 16.34245 16.1089 16.576 2 h after dark 14.65925 13.79 15.5285 4 h after dark 15.641 15.058 16.224 8 h after dark 19.193399999999997 17.8907 20.4961 12 h after dark 14.23565 14.1066 14.3647