condition mean min max 0 h after light 13.3289 12.6043 14.0535 2 h after light 9.282675000000001 9.01908 9.54627 4 h after light 8.332049999999999 8.1822 8.4819 8 h after light 8.712444999999999 8.41967 9.00522 12 h after light 16.1939 15.3582 17.0296 2 h after dark 13.7898 13.0793 14.5003 4 h after dark 12.54435 11.7244 13.3643 8 h after dark 13.1186 13.1081 13.1291 12 h after dark 12.6867 12.2798 13.0936