condition mean min max 0 h after light 0.0345388 0.0 0.0690776 4 h after light 0.13735245000000001 0.0703849 0.20432 8 h after light 0.20700050000000003 0.140634 0.273367 4 h after dark 0.1698755 0.136222 0.203529 8 h after dark 0.1712289 0.0680328 0.274425 12 h after dark 0.06823345 0.0674821 0.0689848