condition	mean	min	max
4 h after light	4.517696666666667	4.46964	4.600969999999999
8 h after light	4.517693333333334	4.3442	4.739240000000001
12 h after light	4.3923733333333335	4.29473	4.53796
4 h after dark	4.586993333333333	4.45274	4.7294599999999996
8 h after dark	4.40225	4.3105	4.5205400000000004
12 h after dark	4.524769999999999	4.41832	4.70947