condition mean min max 2 h after light 0.020135833333333335 0.0 0.120815 6 h after light 0.1121075 0.0 0.557429 10 h after light 0.051294 0.0 0.212914 14 h after light 0.11594018333333334 0.0 0.235828 18 h after light 0.099691 0.0 0.413735 2 h after dark 0.12504816666666665 0.0 0.245689