condition mean min max 0 h after light 5.16145 4.92239 5.40051 4 h after light 4.21216 4.04584 4.37848 8 h after light 3.8397300000000003 3.74261 3.93685 4 h after dark 4.37373 4.22825 4.51921 8 h after dark 4.728915000000001 4.45629 5.00154 12 h after dark 4.2113949999999996 4.14359 4.2792