datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2000,08 0:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,08 1:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,08 2:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,08 3:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,08 4:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,08 5:30:00,31 ,       0,2.492609,0.391793, 0.53452
sgpcmbeC1.c1,2000,08 6:30:00,31 ,2.402777,36.03506,19.14949,8.215928
sgpcmbeC1.c1,2000,08 7:30:00,31 , 3.44727,83.70103, 60.3935,20.75661
sgpcmbeC1.c1,2000,08 8:30:00,31 ,17.08708,122.8142,102.8866, 25.2183
sgpcmbeC1.c1,2000,08 9:30:00,31 ,42.62848,160.5247,143.7232,22.55666
sgpcmbeC1.c1,2000,0810:30:00,31 ,74.98473,189.2952,167.8532,24.71335
sgpcmbeC1.c1,2000,0811:30:00,31 ,118.3484,209.3455,185.3258,18.99802
sgpcmbeC1.c1,2000,0812:30:00,31 ,96.79556,214.9175,187.9559,23.77592
sgpcmbeC1.c1,2000,0813:30:00,31 ,78.05912,219.2772,184.0795, 24.1599
sgpcmbeC1.c1,2000,0814:30:00,31 ,97.98863,199.0962,168.8513,24.16431
sgpcmbeC1.c1,2000,0815:30:00,31 ,74.61507,159.8523,142.6972, 18.8725
sgpcmbeC1.c1,2000,0816:30:00,31 ,17.09412,124.2433,107.8016,20.10464
sgpcmbeC1.c1,2000,0817:30:00,31 ,28.74488,82.00755,63.86275,15.33515
sgpcmbeC1.c1,2000,0818:30:00,31 ,10.03596,35.10222,23.93909,6.964749
sgpcmbeC1.c1,2000,0819:30:00,30 ,       0,3.248791,0.904222,1.008491
sgpcmbeC1.c1,2000,0820:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,0821:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,0822:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,0823:30:00,31 ,       0,       0,       0,       0