04/01/1981 00:00:00 5010 "mm"
04/01/1981 01:00:00 5160 "mm"
04/01/1981 02:00:00 5010 "mm"
04/01/1981 03:00:00 4530 "mm"
04/01/1981 04:00:00 4005 "mm"
04/01/1981 05:00:00 3375 "mm"
04/01/1981 06:00:00 2880 "mm"
04/01/1981 07:00:00 2730 "mm"
04/01/1981 08:00:00 2850 "mm"
04/01/1981 09:00:00 3195 "mm"
04/01/1981 10:00:00 3765 "mm"
04/01/1981 11:00:00 4335 "mm"
04/01/1981 12:00:00 4815 "mm"
04/01/1981 13:00:00 5085 "mm"
04/01/1981 14:00:00 4980 "mm"
04/01/1981 15:00:00 4650 "mm"
04/01/1981 16:00:00 4110 "mm"
04/01/1981 17:00:00 3465 "mm"
04/01/1981 18:00:00 2925 "mm"
04/01/1981 19:00:00 2610 "mm"
04/01/1981 20:00:00 2640 "mm"
04/01/1981 21:00:00 3015 "mm"
04/01/1981 22:00:00 3570 "mm"
04/01/1981 23:00:00 4215 "mm"