datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2006,06 0:30:00,30 ,0.607994,7.529654,1.998723,1.693468
sgpcmbeC1.c1,2006,06 1:30:00,30 ,0.564701,16.33219,2.936944,3.558559
sgpcmbeC1.c1,2006,06 2:30:00,30 ,0.841951,13.74637,2.811939,3.383011
sgpcmbeC1.c1,2006,06 3:30:00,30 ,0.694008,10.03064,2.613351,2.332248
sgpcmbeC1.c1,2006,06 4:30:00,30 ,0.648215,15.14767,3.163216,3.917774
sgpcmbeC1.c1,2006,06 5:30:00,30 ,0.538941,18.70188,3.922347,4.859802
sgpcmbeC1.c1,2006,06 6:30:00,30 ,1.055653, 15.2405,3.673287, 3.67674
sgpcmbeC1.c1,2006,06 7:30:00,30 ,0.937129,10.14217,4.016299,2.354674
sgpcmbeC1.c1,2006,06 8:30:00,30 ,1.170119,19.19064,4.322691,3.616561
sgpcmbeC1.c1,2006,06 9:30:00,30 ,1.045832,12.32939,2.815779,2.284388
sgpcmbeC1.c1,2006,0610:30:00,30 ,1.227391,12.52876,2.930583,2.636036
sgpcmbeC1.c1,2006,0611:30:00,30 ,0.425193,19.88962,3.299909,3.529875
sgpcmbeC1.c1,2006,0612:30:00,30 ,1.329826,11.88113,3.079622,2.301162
sgpcmbeC1.c1,2006,0613:30:00,30 , 0.65824,17.18106,3.132638,3.216501
sgpcmbeC1.c1,2006,0614:30:00,30 ,0.966463,13.30977,4.047003,3.590954
sgpcmbeC1.c1,2006,0615:30:00,30 ,0.891038,14.33184,4.036618,3.965879
sgpcmbeC1.c1,2006,0616:30:00,30 ,0.866788,14.41196,2.807497,2.688037
sgpcmbeC1.c1,2006,0617:30:00,30 ,0.861042,11.09661,2.298049,2.226069
sgpcmbeC1.c1,2006,0618:30:00,30 ,0.809602,10.38479,3.247128,2.373551
sgpcmbeC1.c1,2006,0619:30:00,30 ,1.182156,  7.0489,3.066531, 1.41901
sgpcmbeC1.c1,2006,0620:30:00,30 ,0.665107, 10.9112,3.061378,2.456114
sgpcmbeC1.c1,2006,0621:30:00,30 ,0.467431,7.995797,2.335847,1.810051
sgpcmbeC1.c1,2006,0622:30:00,30 ,0.564931,8.047425, 1.81881,1.519049
sgpcmbeC1.c1,2006,0623:30:00,30 ,0.627917,6.500772,2.163784,1.793423