condition mean min max 0 h after light 0.19508845 0.0649329 0.325244 4 h after light 1.5301749999999998 1.47247 1.58788 8 h after light 1.8201049999999999 1.52025 2.11996 4 h after dark 0.7670325 0.637724 0.896341 8 h after dark 0.706154 0.644898 0.76741 12 h after dark 0.5102905 0.259383 0.761198