condition	mean	min	max
4 h after light	19.425150000000002	16.8319	22.0184
8 h after light	23.83715	23.5149	24.1594
12 h after light	20.90585	20.1336	21.6781
4 h after dark	21.066433333333332	19.6713	23.2666
8 h after dark	20.362233333333332	16.7196	23.3402
12 h after dark	21.77146666666667	19.9156	24.5435