condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.1866623 0.0 0.472199 12 h after light 0.06831466666666666 0.0 0.204944 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.03206546666666667 0.0 0.0961964