condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.5024033333333333 0.0 1.50721 9 h after light 0.0 0.0 0.0 12 h after light 0.3579075 0.0 1.43163 3 h after dark 0.0 0.0 0.0 6 h after dark 2.6360566666666667 1.59345 3.67554 9 h after dark 0.4516633333333333 0.0 1.35499 12 h after dark 0.0 0.0 0.0