condition mean min max 0 h after light 0.339629 0.0 0.679258 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.2055385 0.0 0.411077 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 0.432944 0.0 0.865888 12 h after dark 0.1845855 0.0 0.369171