condition mean min max 0 h after light 6.630305 6.00108 7.25953 2 h after light 4.755165 4.64825 4.86208 4 h after light 6.903694999999999 5.76115 8.04624 8 h after light 9.246755 9.22918 9.26433 12 h after light 6.31578 6.27575 6.35581 2 h after dark 5.2138100000000005 5.09542 5.3322 4 h after dark 10.244735 9.75177 10.7377 8 h after dark 10.786249999999999 10.2987 11.2738 12 h after dark 7.8746849999999995 7.49443 8.25494