condition mean min max 0 h after light 0.125744 0.0 0.251488 2 h after light 0.0 0.0 0.0 4 h after light 0.0626105 0.0 0.125221 8 h after light 0.0536925 0.0 0.107385 12 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0