condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.06017066666666667 0.0 0.180512 12 h after light 0.0 0.0 0.0 3 h after dark 0.125051 0.0 0.375153 6 h after dark 0.04388166666666667 0.0 0.131645 9 h after dark 0.044110333333333335 0.0 0.132331 12 h after dark 0.0 0.0 0.0