condition mean min max 0 h after light 6.834474999999999 6.34711 7.32184 4 h after light 8.287455000000001 8.23103 8.34388 8 h after light 9.646374999999999 9.39779 9.89496 4 h after dark 10.88485 10.0117 11.758 8 h after dark 7.61064 7.19826 8.02302 12 h after dark 6.6223350000000005 4.22573 9.01894