condition mean min max 3 h after light 1.5673711666666668 0.231876 2.6495 7 h after light 1.4241370833333333 0.266703 2.51079 11 h after light 1.7624910833333334 0.555791 3.4243 2 h after dark 2.4301080833333333 0.37658 3.89974 6 h after dark 1.92337025 0.315776 3.96405 10 h after dark 1.71720575 0.218422 4.42883