condition	mean	min	max
4 h after light	14.57066	7.09858	21.7395
8 h after light	10.17198	2.78354	16.7871
12 h after light	16.342713333333332	9.71744	26.19
4 h after dark	18.4691	15.2741	20.8862
8 h after dark	14.697066666666668	10.6148	17.3226
12 h after dark	17.214333333333332	12.7552	19.9482