condition mean min max 4 h after light 328.771794 309.311531 348.232057 8 h after light 326.12839199999996 301.55147 350.705314 12 h after light 386.21894050000003 338.307245 434.130636 4 h after dark 459.945851 417.519639 502.372063 8 h after dark 432.242595 358.005435 506.479755 12 h after dark 403.855936 403.855936 403.855936