condition	mean	min	max
4 h after light	16.210537000000002	16.019943	16.401131
8 h after light	14.8165595	14.082116	15.551003
12 h after light	16.218933500000002	15.020034	17.417833
4 h after dark	17.699872	15.699287	19.700457
8 h after dark	17.1670835	14.50968	19.824487
12 h after dark	20.757619	20.757619	20.757619