condition mean min max 4 h after light 308.9335955 265.139675 352.727516 8 h after light 355.9874175 314.27909 397.695745 12 h after light 384.5360535 352.106675 416.965432 4 h after dark 366.814923 324.078211 409.551635 8 h after dark 268.549888 179.312363 357.787413 12 h after dark 275.078211 275.078211 275.078211