datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2005,11 0:30:00,19 ,       0,3.294549,1.674176,1.100394
sgpcmbeC1.c1,2005,11 1:30:00,22 ,       0,3.516118,1.505566,1.281754
sgpcmbeC1.c1,2005,11 2:30:00,21 ,       0,3.356537, 1.30797,1.178561
sgpcmbeC1.c1,2005,11 3:30:00,21 ,       0,3.244478,1.349484,1.161061
sgpcmbeC1.c1,2005,11 4:30:00,23 ,       0,3.167592,1.698308,1.238073
sgpcmbeC1.c1,2005,11 5:30:00,20 ,       0,3.141044,1.499395, 1.25079
sgpcmbeC1.c1,2005,11 6:30:00,25 ,       0,3.214712, 1.61765,1.201751
sgpcmbeC1.c1,2005,11 7:30:00,30 ,0.188993,54.62947,16.84978,14.68161
sgpcmbeC1.c1,2005,11 8:30:00,29 ,0.031956, 216.675,109.8585,62.36218
sgpcmbeC1.c1,2005,11 9:30:00,29 ,0.143845,378.3918,209.4536,127.8221
sgpcmbeC1.c1,2005,1110:30:00,30 ,0.163761,503.3495,314.7818,167.0818
sgpcmbeC1.c1,2005,1111:30:00,30 ,0.118683,575.3051,405.8831,164.5867
sgpcmbeC1.c1,2005,1112:30:00,30 ,0.129746,589.6486,411.0525, 174.532
sgpcmbeC1.c1,2005,1113:30:00,30 ,0.091003, 541.554,372.5464,160.1895
sgpcmbeC1.c1,2005,1114:30:00,30 ,0.091293,438.9359,282.3535,140.6795
sgpcmbeC1.c1,2005,1115:30:00,30 , 0.00029,289.8079,165.2361,93.56548
sgpcmbeC1.c1,2005,1116:30:00,30 ,0.000584,120.3738,50.71378,36.70612
sgpcmbeC1.c1,2005,1117:30:00,30 ,0.112373,9.580827,2.275545,1.973989
sgpcmbeC1.c1,2005,1118:30:00,21 ,       0,3.245568,1.269143,1.133285
sgpcmbeC1.c1,2005,1119:30:00,20 ,       0,3.115571,1.184291,1.081576
sgpcmbeC1.c1,2005,1120:30:00,21 ,       0,3.244943, 1.69399,1.084218
sgpcmbeC1.c1,2005,1121:30:00,23 ,       0, 3.34571,1.875117,1.088285
sgpcmbeC1.c1,2005,1122:30:00,23 ,       0,3.287792,1.900337,1.111084
sgpcmbeC1.c1,2005,1123:30:00,22 ,       0,3.376772,1.773872,1.209521