condition mean min max 3 h after light 0.7884246666666667 0.649289 0.889497 6 h after light 0.5633263333333333 0.0 1.14363 9 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 1.766505 1.54665 1.98636