condition	mean	min	max
4 h after light	7.461650000000001	7.30335	7.61995
8 h after light	2.295385	2.26071	2.33006
12 h after light	1.681805	1.50057	1.86304
4 h after dark	2.1123849999999997	1.94789	2.27688
8 h after dark	5.17113	4.78444	5.55782
12 h after dark	7.520875	7.45287	7.58888