condition mean min max 4 h after light 1020.0287535 784.907344 1255.150163 8 h after light 1022.342353 951.924364 1092.760342 12 h after light 888.3802665000001 776.062332 1000.698201 4 h after dark 574.185363 362.754054 785.616672 8 h after dark 572.160057 370.160272 774.159842 12 h after dark 578.385903 578.385903 578.385903