condition mean min max 2 h after light 0.6468263333333333 0.422973 0.766349 6 h after light 0.5726543333333334 0.412241 0.68117 10 h after light 0.91318 0.727698 1.23445 2 h after dark 2.30301 1.69015 2.6804 6 h after dark 0.48424766666666663 0.339814 0.606022 10 h after dark 0.18158200000000002 0.112166 0.220953