condition mean min max 4 h after light 5.025264999999999 4.25794 5.79259 8 h after light 3.678725 3.54069 3.81676 12 h after light 5.15449 4.3243 5.98468 4 h after dark 10.21909 9.32968 11.1085 8 h after dark 9.665659999999999 9.43284 9.89848 12 h after dark 8.11505 7.82275 8.40735