condition mean min max 4 h after light 1.62051 1.60874 1.63228 8 h after light 1.0193615 0.763963 1.27476 12 h after light 2.2693250000000003 2.22829 2.31036 4 h after dark 3.5752266666666666 2.69548 4.62274 8 h after dark 1.5280606666666667 0.544142 2.1768 12 h after dark 2.4058913333333334 0.959704 4.84683