condition mean min max 0 h after light 7.00698 6.46004 7.55392 2 h after light 2.55382 2.23156 2.87608 4 h after light 2.833945 2.82926 2.83863 8 h after light 3.27038 2.41554 4.12522 12 h after light 8.32694 8.26401 8.38987 2 h after dark 10.261535 9.97367 10.5494 4 h after dark 9.919785000000001 9.77677 10.0628 8 h after dark 12.71385 11.776 13.6517 12 h after dark 6.759245 6.65796 6.86053