condition mean min max 4 h after light 343.947811 308.746979 379.148643 8 h after light 363.7674925 343.747284 383.787701 12 h after light 321.23035400000003 304.606018 337.85469 4 h after dark 255.771459 242.896236 268.646682 8 h after dark 296.4828825 268.959534 324.006231 12 h after dark 210.001288 210.001288 210.001288