condition	mean	min	max
4 h after light	70.3921	69.5572	71.227
8 h after light	58.93795	57.0637	60.8122
12 h after light	50.1057	49.3985	50.8129
4 h after dark	55.51175	53.9708	57.0527
8 h after dark	57.14165	56.0909	58.1924
12 h after dark	64.7254	62.0862	67.3646