condition mean min max 3 h after light 1.9318433333333334 1.61944 2.14961 6 h after light 2.2995433333333333 1.52834 2.84199 9 h after light 4.094386666666667 2.67914 5.21359 12 h after light 5.6746099999999995 3.0846 8.66847 3 h after dark 10.444376666666667 9.04273 12.0309 6 h after dark 11.044 10.5692 11.4458 9 h after dark 6.89064 6.51916 7.12657 12 h after dark 2.27818 2.14542 2.41094