condition mean min max 2 h after light 1.70298 0.386826 3.37182 6 h after light 3.2766633333333335 1.74208 6.95168 10 h after light 2.639341 0.673136 6.25805 14 h after light 3.43125 1.32307 9.40084 18 h after light 2.2254045000000002 0.363857 5.5766 2 h after dark 1.8344423333333333 0.746136 4.71397