06/01/1981 00:00:00 4620 "mm"
06/01/1981 01:00:00 5130 "mm"
06/01/1981 02:00:00 5400 "mm"
06/01/1981 03:00:00 5265 "mm"
06/01/1981 04:00:00 4815 "mm"
06/01/1981 05:00:00 4155 "mm"
06/01/1981 06:00:00 3375 "mm"
06/01/1981 07:00:00 2790 "mm"
06/01/1981 08:00:00 2445 "mm"
06/01/1981 09:00:00 2490 "mm"
06/01/1981 10:00:00 2865 "mm"
06/01/1981 11:00:00 3495 "mm"
06/01/1981 12:00:00 4590 "mm"
06/01/1981 13:00:00 5025 "mm"
06/01/1981 14:00:00 5145 "mm"
06/01/1981 15:00:00 4950 "mm"
06/01/1981 16:00:00 4485 "mm"
06/01/1981 17:00:00 3870 "mm"
06/01/1981 18:00:00 3165 "mm"
06/01/1981 19:00:00 2670 "mm"
06/01/1981 20:00:00 2490 "mm"
06/01/1981 21:00:00 2625 "mm"
06/01/1981 22:00:00 3135 "mm"
06/01/1981 23:00:00 3825 "mm"