condition mean min max 0 h after light 4.19324 3.66832 4.71816 2 h after light 2.4108155 0.882851 3.93878 4 h after light 2.8639 2.13067 3.59713 8 h after light 2.56703 2.42706 2.707 12 h after light 9.04759 5.52848 12.5667 2 h after dark 7.040685 6.74641 7.33496 4 h after dark 5.027005 3.77897 6.27504 8 h after dark 5.49658 5.30684 5.68632 12 h after dark 3.2933399999999997 3.22909 3.35759