condition mean min max 4 h after light 0.3160195 0.266927 0.365112 8 h after light 0.15207025000000002 0.0504585 0.253682 12 h after light 0.11859520000000001 0.0879494 0.149241 4 h after dark 0.098093 0.0 0.193685 8 h after dark 0.290576 0.218136 0.382567 12 h after dark 0.238798 0.198014 0.311394