condition mean min max 4 h after light 1.513817 0.839361 2.64018 8 h after light 0.9325060000000001 0.342068 1.31824 12 h after light 1.3253533333333334 1.20188 1.47683 4 h after dark 2.55104 1.66217 3.21563 8 h after dark 9.368656666666666 8.28007 10.0188 12 h after dark 50.4994 49.5175 52.0399