condition mean min max 4 h after light 1.19954 1.12324 1.27584 8 h after light 2.8391149999999996 2.78557 2.89266 12 h after light 2.607145 2.33372 2.88057 4 h after dark 4.825826666666667 4.49591 5.06326 8 h after dark 1.7299099999999998 1.13978 2.16822 12 h after dark 1.5768866666666668 1.21264 1.88006