condition mean min max 4 h after light 0.04305925 0.0 0.0861185 8 h after light 0.0117698 0.0 0.0235396 12 h after light 0.0137158 0.0 0.0274316 4 h after dark 0.0 0.0 0.0 8 h after dark 0.011468833333333333 0.0 0.0344065 12 h after dark 0.042195866666666665 0.0 0.0945163