condition	mean	min	max
4 h after light	3.71	3.65081	3.82114
8 h after light	3.7922566666666664	3.7014099999999996	3.91491
12 h after light	3.8345533333333335	3.7344800000000005	4.03445
4 h after dark	3.746713333333333	3.73087	3.7556
8 h after dark	3.76683	3.6922900000000003	3.87512
12 h after dark	3.75731	3.6488300000000002	3.9402199999999996