condition mean min max 4 h after light 5277.2167945 2502.278455 8052.155134 8 h after light 3445.1166860000003 1422.722305 5467.511067 12 h after light 2399.2775005000003 2289.027572 2509.527429 4 h after dark 4553.6903125 3139.616672 5967.763953 8 h after dark 6203.097465000001 5616.722257 6789.472673 12 h after dark 9117.37767 9117.37767 9117.37767