condition mean min max 0 h after light 0.4248865 0.268022 0.581751 4 h after light 0.1321275 0.0 0.264255 8 h after light 0.1344995 0.132584 0.136415 4 h after dark 0.13196305 0.0877441 0.176182 8 h after dark 0.1107284 0.0439948 0.177462 12 h after dark 0.35348250000000003 0.305471 0.401494