condition mean min max 1 h after light 1.19671073 0.482094569 1.9113268909999999 3 h after light 1.4024985380000001 0.812688464 1.9041251240000001 5 h after light 1.4417889086666666 1.0949364659999998 1.645735872 7 h after light 1.5498437863333334 1.285997977 2.05642863 9 h after light 1.8288272826666667 1.510372221 2.329364066 11 h after light 1.4468560046666668 1.173500686 1.916453959 13 h after light 1.9705404880000001 1.125691386 2.50595135 15 h after light 1.3672280446666667 1.044675413 1.982042132 1 h after dark 2.4595949563333335 1.570739654 3.198388172 3 h after dark 1.8853367263333334 1.316712726 2.42149694 5 h after dark 1.3473067163333332 1.130939127 1.5865893309999999 7 h after dark 1.936821027 0.973137151 2.7827715989999997