condition mean min max 4 h after light 0.1268244 0.0637828 0.189866 8 h after light 0.0366814 0.0346052 0.0387576 12 h after light 0.0445969 0.0418586 0.0473352 4 h after dark 0.0415726 0.0279809 0.0551643 8 h after dark 0.0585009 0.0548019 0.0621999 12 h after dark 0.0705419 0.0458284 0.0952554