condition mean min max 0 h after light 4.27959 3.97221 4.58697 4 h after light 4.38125 4.28664 4.47586 8 h after light 6.5679300000000005 6.56273 6.57313 4 h after dark 7.816515 7.15798 8.47505 8 h after dark 5.81393 5.46095 6.16691 12 h after dark 4.309175 4.25999 4.35836