condition mean min max 0 h after light 5.92361 5.40039 6.44683 2 h after light 3.949025 3.69593 4.20212 4 h after light 3.196475 2.93375 3.4592 8 h after light 3.030785 2.76097 3.3006 12 h after light 3.715555 2.7925 4.63861 2 h after dark 3.78329 3.1377 4.42888 4 h after dark 4.54347 3.70014 5.3868 8 h after dark 6.79505 6.55366 7.03644 12 h after dark 7.9321649999999995 7.19152 8.67281