condition mean min max 0 h after light 0.224991 0.199794 0.250188 4 h after light 0.398913 0.305362 0.492464 8 h after light 0.5521480000000001 0.494163 0.610133 4 h after dark 0.5406785000000001 0.539612 0.541745 8 h after dark 0.5192209999999999 0.393544 0.644898 12 h after dark 0.44295550000000006 0.349169 0.536742