condition	mean	min	max
4 h after light	21.2339235	19.296245	23.171602
8 h after light	26.7832535	26.414007	27.1525
12 h after light	28.034425	25.622584	30.446266
4 h after dark	31.689255499999998	28.613515	34.764996
8 h after dark	27.768131	25.73771	29.798552
12 h after dark	20.720755	20.720755	20.720755