datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1997,11 0:30:00,30 ,0.232162,26.90684,3.772452,6.727159
sgpcmbeC1.c1,1997,11 1:30:00,30 ,0.151618,19.74103,2.246957, 3.76173
sgpcmbeC1.c1,1997,11 2:30:00,30 ,0.204012,17.83339,3.381313,4.852141
sgpcmbeC1.c1,1997,11 3:30:00,30 , 0.20523,17.75433,3.137794,4.102569
sgpcmbeC1.c1,1997,11 4:30:00,30 ,0.167812,29.86551,4.310976,6.968221
sgpcmbeC1.c1,1997,11 5:30:00,30 ,0.272301,16.81237,3.619286, 4.38016
sgpcmbeC1.c1,1997,11 6:30:00,30 ,0.227725,16.24344,3.192936,4.049203
sgpcmbeC1.c1,1997,11 7:30:00,30 ,0.216178, 26.7631, 5.06497,8.051871
sgpcmbeC1.c1,1997,11 8:30:00,30 ,0.377279,11.26987,2.413508,2.356368
sgpcmbeC1.c1,1997,11 9:30:00,30 , 0.47525,17.61132, 3.78995,4.470461
sgpcmbeC1.c1,1997,1110:30:00,30 ,0.448641,12.77297,3.723456,3.651798
sgpcmbeC1.c1,1997,1111:30:00,30 ,0.422193,13.63137, 3.67637,3.710532
sgpcmbeC1.c1,1997,1112:30:00,30 ,0.273622,26.98071,5.129866,6.675005
sgpcmbeC1.c1,1997,1113:30:00,30 ,0.329806,22.81321,4.183671,5.718887
sgpcmbeC1.c1,1997,1114:30:00,30 ,0.327793,22.04944,3.902683,5.610092
sgpcmbeC1.c1,1997,1115:30:00,30 , 0.36523,27.48299,3.272567,5.620963
sgpcmbeC1.c1,1997,1116:30:00,30 ,0.266448,10.38016, 2.64823,2.670218
sgpcmbeC1.c1,1997,1117:30:00,30 ,0.392896, 18.0388, 3.69865,4.179306
sgpcmbeC1.c1,1997,1118:30:00,30 ,0.230691,  22.916,3.690272,4.905774
sgpcmbeC1.c1,1997,1119:30:00,30 ,0.299897,28.61831,4.381888,5.860743
sgpcmbeC1.c1,1997,1120:30:00,30 ,0.164902,15.50246, 2.96697,3.955163
sgpcmbeC1.c1,1997,1121:30:00,30 ,0.319316, 21.5081,3.339551,4.793074
sgpcmbeC1.c1,1997,1122:30:00,30 ,0.232878,9.582356,2.271855,2.386064
sgpcmbeC1.c1,1997,1123:30:00,30 ,0.154066,26.47573, 4.93624,6.956773