condition mean min max 4 h after light 0.896579 0.673598 1.11956 8 h after light 0.2274705 0.0 0.454941 12 h after light 0.773999 0.552786 0.995212 4 h after dark 0.3113336666666667 0.0 0.934001 8 h after dark 1.0638433333333333 0.0 2.08043 12 h after dark 1.5928900000000001 1.35746 1.80393