condition	mean	min	max
4 h after light	18.0714015	16.880675	19.262128
8 h after light	16.889919499999998	16.768313	17.011526
12 h after light	21.229241000000002	19.982079	22.476403
4 h after dark	26.1649825	20.496109	31.833856
8 h after dark	45.3070855	25.73771	64.876461
12 h after dark	58.287537	58.287537	58.287537