condition mean min max 4 h after light 1.4281215 0.709903 2.14634 8 h after light 2.464685 1.99658 2.93279 12 h after light 3.873525 2.71281 5.03424 4 h after dark 2.835755 2.37138 3.30013 8 h after dark 2.813685 2.59543 3.03194 12 h after dark 2.2384950000000003 2.17045 2.30654