condition	mean	min	max
0 h after light	5.9325600000000005	4.38372	7.4814
4 h after light	5.37476	5.32171	5.42781
8 h after light	3.757355	3.49137	4.02334
4 h after dark	4.099335	3.32725	4.87142
8 h after dark	3.489065	3.22449	3.75364
12 h after dark	5.79494	4.96434	6.62554