condition mean min max 4 h after light 299.1684205 260.495491 337.84135 8 h after light 305.3496995 254.123207 356.576192 12 h after light 265.89846750000004 262.758398 269.038537 4 h after dark 258.7137845 244.239655 273.187914 8 h after dark 261.9015745 236.151641 287.651508 12 h after dark 217.001288 217.001288 217.001288