condition mean min max 4 h after light 1.1796099999999998 1.00647 1.35275 8 h after light 0.884085 0.75314 1.01503 12 h after light 5.29882 5.15385 5.44379 4 h after dark 5.022316666666667 3.88374 5.72453 8 h after dark 2.30969 1.98068 2.75527 12 h after dark 2.4482333333333335 1.47021 2.96339