condition mean min max 3 h after light 1.98236 1.48328 2.34781 6 h after light 2.11221 1.73731 2.33643 9 h after light 4.880646666666666 4.42038 5.56646 12 h after light 6.486783333333333 4.38988 8.64945 3 h after dark 9.416459999999999 7.79881 11.0071 6 h after dark 13.2535 11.3117 15.4643 9 h after dark 8.42958 6.76494 9.90549 12 h after dark 0.5995996666666666 0.425685 0.907412