condition mean min max 0 h after light 2.03504 1.76448 2.3056 4 h after light 1.07918 0.90766 1.2507 8 h after light 1.0009505 0.986691 1.01521 4 h after dark 1.3596405 0.979491 1.73979 8 h after dark 2.010205 1.90483 2.11558 12 h after dark 1.5572300000000001 1.19912 1.91534