condition mean min max 2 h after light 0.5647226666666667 0.490218 0.629266 6 h after light 0.594955 0.48924 0.68102 10 h after light 0.5822663333333333 0.487237 0.768354 2 h after dark 8.853850000000001 7.96135 9.77857 6 h after dark 6.841559999999999 6.475 7.46324 10 h after dark 12.4286 11.5815 13.2376