condition mean min max 0 h after light 0.197324 0.0 0.394648 2 h after light 0.0 0.0 0.0 4 h after light 0.407818 0.339435 0.476201 8 h after light 0.1665235 0.0 0.333047 12 h after light 0.0 0.0 0.0 2 h after dark 0.3604815 0.0 0.720963 4 h after dark 0.511359 0.409261 0.613457 8 h after dark 0.7322845 0.415359 1.04921 12 h after dark 0.3382575 0.0 0.676515