condition mean min max 4 h after light 0.15761265 0.0922053 0.22302 8 h after light 0.0829513 0.0604996 0.105403 12 h after light 0.1007656 0.0551702 0.146361 4 h after dark 0.08094989999999999 0.080369 0.0815308 8 h after dark 0.060129 0.0563852 0.0638728 12 h after dark 0.0413139 0.0158603 0.0667675