condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 1.13326 0.0 3.39978 9 h after light 2.429536666666667 0.0 3.82778 12 h after light 4.905575 3.08548 9.72879 3 h after dark 8.97561 3.97508 15.0012 6 h after dark 1.3202666666666667 0.0 3.9608 9 h after dark 5.0998866666666665 2.92031 7.24051 12 h after dark 1.96834 0.0 3.93668