condition mean min max 4 h after light 3.23697 3.23047 3.24347 8 h after light 8.14302 7.98227 8.30377 12 h after light 10.435469999999999 9.45844 11.4125 4 h after dark 4.44548 4.22631 4.62153 8 h after dark 2.8519466666666666 2.4183 3.51789 12 h after dark 2.43791 1.89908 2.82023