condition mean min max 0 h after light 6.33889 5.81895 6.85883 2 h after light 3.1189850000000003 2.82121 3.41676 4 h after light 1.99572 1.91456 2.07688 8 h after light 1.5916350000000001 1.4542 1.72907 12 h after light 2.1017449999999998 1.19254 3.01095 2 h after dark 1.95715 1.57613 2.33817 4 h after dark 1.75253 1.54049 1.96457 8 h after dark 3.23431 3.16759 3.30103 12 h after dark 6.182605 6.06199 6.30322