condition mean min max 3 h after light 1.6342491666666668 1.21637 2.55351 7 h after light 1.448975 1.01387 2.19532 11 h after light 1.6113757499999999 0.609329 3.09224 2 h after dark 1.6720925 1.10351 2.59257 6 h after dark 1.7399229166666668 0.996785 2.49193 10 h after dark 1.7853683333333334 1.02385 2.88938