condition mean min max 4 h after light 2.901196666666667 1.40756 4.26937 8 h after light 2.810155 0.812545 5.07709 12 h after light 3.68434 2.31524 4.99308 4 h after dark 5.393246666666667 4.87973 5.89174 8 h after dark 4.33681 2.91487 5.39662 12 h after dark 4.17379 3.73316 4.89631