datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2003,08 0:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,08 1:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,08 2:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,08 3:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,08 4:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,08 5:30:00,31 ,       0,8.680264,2.499933,2.251564
sgpcmbeC1.c1,2003,08 6:30:00,31 ,2.587234,60.11403,37.01307,15.63307
sgpcmbeC1.c1,2003,08 7:30:00,31 ,10.54605,113.8374, 58.0771,21.29572
sgpcmbeC1.c1,2003,08 8:30:00,31 , 11.5105,171.5285,73.28258,33.22785
sgpcmbeC1.c1,2003,08 9:30:00,31 ,36.41645,200.8342,72.09241,39.45747
sgpcmbeC1.c1,2003,0810:30:00,31 ,20.82842,263.4766,96.06587,74.41022
sgpcmbeC1.c1,2003,0811:30:00,31 , 16.6572,279.7678,105.3281,83.90335
sgpcmbeC1.c1,2003,0812:30:00,31 ,4.946219,407.6353,137.9337,109.6221
sgpcmbeC1.c1,2003,0813:30:00,31 ,18.14942,370.7846, 155.088,97.10594
sgpcmbeC1.c1,2003,0814:30:00,31 ,21.34532,341.7412,144.5666,92.35216
sgpcmbeC1.c1,2003,0815:30:00,31 ,46.11984,288.8373,152.9424,62.10461
sgpcmbeC1.c1,2003,0816:30:00,31 , 10.2265, 224.077,96.50567,43.44685
sgpcmbeC1.c1,2003,0817:30:00,31 ,1.915559,130.3669,60.77102,28.76329
sgpcmbeC1.c1,2003,0818:30:00,31 ,4.878013,84.35328,44.04771,19.82806
sgpcmbeC1.c1,2003,0819:30:00,29 ,       0,16.44876,5.819863,4.706939
sgpcmbeC1.c1,2003,0820:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,0821:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,0822:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,0823:30:00,31 ,       0,       0,       0,       0