condition mean min max 0 h after light 6.95998 5.49731 8.42265 4 h after light 7.763809999999999 6.91931 8.60831 8 h after light 14.1202 13.7568 14.4836 4 h after dark 15.110050000000001 12.435 17.7851 8 h after dark 11.67015 10.9196 12.4207 12 h after dark 7.838089999999999 6.63395 9.04223