condition	mean	min	max
4 h after light	21.1348425	21.093112	21.176573
8 h after light	20.2394295	19.784422	20.694437
12 h after light	22.264067500000003	21.275003	23.253132
4 h after dark	20.880191500000002	18.235419	23.524964
8 h after dark	21.6089385	16.959676	26.258201
12 h after dark	19.365388	19.365388	19.365388