condition mean min max 0 h after light 9.445055 7.72821 11.1619 2 h after light 7.004995 6.48961 7.52038 4 h after light 5.744745 5.14979 6.3397 8 h after light 5.590525 5.03213 6.14892 12 h after light 8.806465 8.29155 9.32138 2 h after dark 9.956935000000001 9.68097 10.2329 4 h after dark 8.921645 8.12762 9.71567 8 h after dark 9.946075 8.77905 11.1131 12 h after dark 9.577285 8.95057 10.204