condition mean min max 4 h after light 716.5233195000001 317.891505 1115.155134 8 h after light 451.44661099999996 289.583422 613.3098 12 h after light 430.5888165 309.3387 551.838933 4 h after dark 1094.3319885 549.830996 1638.832981 8 h after dark 2550.2618924999997 2313.178645 2787.34514 12 h after dark 1262.346773 1262.346773 1262.346773