condition mean min max 4 h after light 5.594989999999999 5.51556 5.67442 8 h after light 4.87953 4.19866 5.5604 12 h after light 6.306935 5.62391 6.98996 4 h after dark 6.908525 6.70591 7.11114 8 h after dark 6.984629999999999 6.66642 7.30284 12 h after dark 7.220195 6.78133 7.65906