datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2006,11 0:30:00,30 ,0.536531,20.37549,3.811162,4.905282
sgpcmbeC1.c1,2006,11 1:30:00,30 ,0.488566,30.21614,4.120844,6.924625
sgpcmbeC1.c1,2006,11 2:30:00,30 ,0.409052,31.95266,5.445338,8.755713
sgpcmbeC1.c1,2006,11 3:30:00,30 ,0.540315,23.07657,4.592046,6.068728
sgpcmbeC1.c1,2006,11 4:30:00,30 , 0.52133,30.14924,4.979203,7.707074
sgpcmbeC1.c1,2006,11 5:30:00,30 ,0.388284, 34.3837,4.473292,7.050524
sgpcmbeC1.c1,2006,11 6:30:00,30 ,0.485876,26.80926,3.380055,5.316661
sgpcmbeC1.c1,2006,11 7:30:00,30 , 0.35755,23.82601,4.419556,5.690047
sgpcmbeC1.c1,2006,11 8:30:00,30 ,0.509006,17.93882,3.872391,3.729915
sgpcmbeC1.c1,2006,11 9:30:00,30 ,0.462264,13.48238,3.261119,2.804115
sgpcmbeC1.c1,2006,1110:30:00,30 ,0.562075,19.34931,3.860269,4.324224
sgpcmbeC1.c1,2006,1111:30:00,30 ,0.430245,21.74039, 4.32505,  5.7105
sgpcmbeC1.c1,2006,1112:30:00,30 ,0.380483,15.78737,3.135043, 3.04297
sgpcmbeC1.c1,2006,1113:30:00,30 ,0.438676,12.38289,2.507891,2.564567
sgpcmbeC1.c1,2006,1114:30:00,30 ,0.584045,21.78292,2.974418,4.079177
sgpcmbeC1.c1,2006,1115:30:00,30 ,0.384858,10.51326,2.546362,2.825056
sgpcmbeC1.c1,2006,1116:30:00,30 ,0.479584,32.49764,3.967421,6.461966
sgpcmbeC1.c1,2006,1117:30:00,30 ,0.639463,18.93309,3.989463,4.796323
sgpcmbeC1.c1,2006,1118:30:00,30 , 0.51717,26.27655,4.649887,5.920788
sgpcmbeC1.c1,2006,1119:30:00,30 ,0.539007,28.03459,5.871876,8.290047
sgpcmbeC1.c1,2006,1120:30:00,30 ,0.472407,32.03746,4.381153,6.654627
sgpcmbeC1.c1,2006,1121:30:00,30 , 0.40947,32.10357,4.740611,7.596996
sgpcmbeC1.c1,2006,1122:30:00,30 ,0.507164,25.15049,4.055277,5.524711
sgpcmbeC1.c1,2006,1123:30:00,30 ,0.486947, 28.7189,4.842815,6.868798