condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0199181 0.0 0.0398362 12 h after light 0.0 0.0 0.0 4 h after dark 0.0183442 0.0 0.0550326 8 h after dark 0.02591423333333333 0.0 0.0777427 12 h after dark 0.009045733333333333 0.0 0.0271372