condition	mean	min	max
4 h after light	20.1804545	19.428812	20.932097
8 h after light	20.7738165	20.615536	20.932097
12 h after light	21.4754255	18.219523	24.731328
4 h after dark	25.085091	24.706647	25.463535
8 h after dark	23.077067	22.16266	23.991474
12 h after dark	22.845974	22.845974	22.845974