On yesterday's ride home it seemed light enough that I didn't need my headlight to help me see. I still turned it on as it got darkish, but there was enough daylight that I could see without it. And that was under cloudy skies which makes it get dark sooner.
Cooler this morning at 41F, so had to wear the tights. Taking a couple of longer ways through neighborhoods I managed 15 miles. Pretty much exactly too as it turned over as I pulled into the parking lot.