condition mean min max 4 h after light 687.2965525 553.001288 821.591817 8 h after light 450.290616 446.92487 453.656362 12 h after light 551.6642525 526.460738 576.867767 4 h after dark 417.0964105 316.111993 518.080828 8 h after dark 345.82155150000006 172.201524 519.441579 12 h after dark 1044.266053 1044.266053 1044.266053