condition mean min max 0 h after light 0.586935 0.391755 0.782115 4 h after light 0.2834765 0.257041 0.309912 8 h after light 0.260412 0.176921 0.343903 4 h after dark 0.1284441 0.0426742 0.214214 8 h after dark 0.364828 0.258926 0.47073 12 h after dark 0.3876965 0.254684 0.520709