condition mean min max 4 h after light 331.868 290.025 365.198 8 h after light 150.6397 60.7401 222.853 12 h after light 375.92333333333335 202.005 641.249 4 h after dark 658.441 412.609 893.394 8 h after dark 1107.771 948.593 1204.05 12 h after dark 752.6643333333333 583.16 1049.26