02/01/1981 00:00:00 4725 "mm"
02/01/1981 01:00:00 4545 "mm"
02/01/1981 02:00:00 4170 "mm"
02/01/1981 03:00:00 3660 "mm"
02/01/1981 04:00:00 3285 "mm"
02/01/1981 05:00:00 3000 "mm"
02/01/1981 06:00:00 2955 "mm"
02/01/1981 07:00:00 3150 "mm"
02/01/1981 08:00:00 3510 "mm"
02/01/1981 09:00:00 3930 "mm"
02/01/1981 10:00:00 4380 "mm"
02/01/1981 11:00:00 4710 "mm"
02/01/1981 12:00:00 4785 "mm"
02/01/1981 13:00:00 4680 "mm"
02/01/1981 14:00:00 4320 "mm"
02/01/1981 15:00:00 3810 "mm"
02/01/1981 16:00:00 3390 "mm"
02/01/1981 17:00:00 3015 "mm"
02/01/1981 18:00:00 2865 "mm"
02/01/1981 19:00:00 2970 "mm"
02/01/1981 20:00:00 3315 "mm"
02/01/1981 21:00:00 3765 "mm"
02/01/1981 22:00:00 4305 "mm"
02/01/1981 23:00:00 4725 "mm"