condition mean min max 4 h after light 4.020275 3.2394 4.80115 8 h after light 3.41495 3.26005 3.56985 12 h after light 3.6072550000000003 3.60541 3.6091 4 h after dark 4.01129 3.54609 4.60096 8 h after dark 3.5121933333333333 3.1804 3.77327 12 h after dark 3.7404266666666666 3.20801 4.48129