condition mean min max 3 h after light 1.384854 0.798932 1.6915 6 h after light 1.93038 1.77234 2.04685 9 h after light 1.8433733333333333 1.71122 2.01849 12 h after light 2.21387 1.44725 3.18591 3 h after dark 4.020813333333333 3.38683 4.33791 6 h after dark 3.74135 2.53365 5.13673 9 h after dark 2.9423566666666665 2.58826 3.24164 12 h after dark 1.148585 1.03806 1.25911