condition mean min max 3 h after light 0.8933735 0.241475 1.9993 7 h after light 1.8910270833333334 0.962655 3.30689 11 h after light 1.4841685833333333 0.201931 2.63842 2 h after dark 1.48734575 0.245005 3.39826 6 h after dark 0.7891410833333333 0.471201 1.57638 10 h after dark 0.7762110833333333 0.228392 1.53598