condition mean min max 2 h after light 0.107473 0.0 0.433964 6 h after light 0.027759000000000002 0.0 0.166554 10 h after light 0.030968833333333334 0.0 0.185813 14 h after light 0.10500316666666666 0.0 0.630019 18 h after light 0.030089333333333333 0.0 0.180536 2 h after dark 0.071472 0.0 0.428832