condition mean min max 0 h after light 0.188399 0.12545 0.251348 4 h after light 0.1257555 0.123687 0.127824 8 h after light 0.06385 0.0 0.1277 4 h after dark 0.2469025 0.246416 0.247389 8 h after dark 0.0 0.0 0.0 12 h after dark 0.185193 0.125281 0.245105