condition mean min max 0 h after light 1.3348399999999998 1.28144 1.38824 4 h after light 1.3905485 0.835657 1.94544 8 h after light 0.735333 0.467776 1.00289 4 h after dark 2.2742 1.30199 3.24641 8 h after dark 2.3186600000000004 2.11994 2.51738 12 h after dark 1.3772 1.18567 1.56873