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 0.0152485 0.0 0.0457455 12 h after light 0.0 0.0 0.0 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0195085 0.0 0.0585255 9 h after dark 0.0 0.0 0.0 12 h after dark 0.027427999999999998 0.0 0.082284