condition mean min max 4 h after light 439.23777199999995 438.935795 439.539749 8 h after light 473.40413250000006 400.564946 546.243319 12 h after light 521.944433 475.272194 568.616672 4 h after dark 576.1133585 508.919375 643.307342 8 h after dark 690.8805070000001 689.347971 692.413043 12 h after dark 521.453945 521.453945 521.453945