condition mean min max 1 h after light 2.4091645515 2.0864258 2.731903303 3 h after light 4.842063228333334 3.5017752669999997 6.122310217000001 5 h after light 4.732083249666666 4.5850266 4.84802186 7 h after light 6.027720106333334 4.912981276 7.4271727620000005 9 h after light 7.533858296666667 6.019259555 9.863167235 11 h after light 7.771144002000001 5.757758927 10.241757000000002 13 h after light 7.6390959663333335 6.2452315060000005 8.893311097 15 h after light 7.269515919333334 6.652414976 8.322885725 1 h after dark 9.447628401333333 7.878371996 10.81456887 3 h after dark 8.615581376333333 7.918723671 9.28918446 5 h after dark 8.171429832666666 7.647721174 8.877653443 7 h after dark 6.597294392333334 5.582639208 7.858277561