condition	mean	min	max
0 h after light	0.6824975	0.454458	0.910537
4 h after light	10.218125	9.23025	11.206
8 h after light	20.4032	19.0637	21.7427
4 h after dark	7.961525	7.40917	8.51388
8 h after dark	1.304405	1.0742	1.53461
12 h after dark	1.07737	1.06551	1.08923