condition mean min max 4 h after light 571.949072 540.770518 603.127626 8 h after light 687.3313860000001 680.856432 693.80634 12 h after light 649.218542 499.291774 799.14531 4 h after dark 612.5361475 538.134089 686.938206 8 h after dark 553.1849380000001 540.631468 565.738408 12 h after dark 483.591691 483.591691 483.591691