condition	mean	min	max
4 h after light	21.01325	18.6884	23.3381
8 h after light	19.14085	17.4381	20.8436
12 h after light	23.5897	23.3771	23.8023
4 h after dark	29.030450000000002	25.9248	32.1361
8 h after dark	24.91395	24.2149	25.613
12 h after dark	26.9635	26.7883	27.1387