condition mean min max 4 h after light 234.297654 231.353398 237.24191 8 h after light 278.6805505 221.945569 335.415532 12 h after light 292.338691 250.712033 333.965349 4 h after dark 314.753022 306.448843 323.057201 8 h after dark 217.77977950000002 201.01981 234.539749 12 h after dark 234.820315 234.820315 234.820315