condition	mean	min	max
4 h after light	13.06545	11.2837	14.8472
8 h after light	10.512270000000001	9.81564	11.2089
12 h after light	12.2173	12.1433	12.2913
4 h after dark	18.258133333333333	16.5538	20.0195
8 h after dark	20.704833333333333	19.0684	21.8376
12 h after dark	14.3292	13.6867	15.3806