datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2003,02 0:30:00,28 ,0.132968,4.036297,1.275461,0.928932
sgpcmbeC1.c1,2003,02 1:30:00,28 ,0.164053,5.704187,1.303876, 1.13068
sgpcmbeC1.c1,2003,02 2:30:00,28 ,0.118909,3.922319,1.322452,1.060083
sgpcmbeC1.c1,2003,02 3:30:00,28 , 0.22574,6.514289, 1.35359,1.338445
sgpcmbeC1.c1,2003,02 4:30:00,28 ,0.176458, 4.59329,1.257821,1.079962
sgpcmbeC1.c1,2003,02 5:30:00,28 ,0.112979,5.678517,1.217842, 1.20735
sgpcmbeC1.c1,2003,02 6:30:00,28 ,0.094852,2.300586,0.939095,0.702075
sgpcmbeC1.c1,2003,02 7:30:00,28 ,0.246926,7.628316,1.931702,1.990872
sgpcmbeC1.c1,2003,02 8:30:00,28 ,  0.3451,7.944741,3.289648,2.353912
sgpcmbeC1.c1,2003,02 9:30:00,28 ,0.329437,9.256532,3.886089,2.541068
sgpcmbeC1.c1,2003,0210:30:00,28 ,0.642761, 11.8038,4.104695,3.057861
sgpcmbeC1.c1,2003,0211:30:00,28 ,0.273523,13.02621,3.728605,3.098717
sgpcmbeC1.c1,2003,0212:30:00,28 ,0.342973,12.44851,3.310387,2.969106
sgpcmbeC1.c1,2003,0213:30:00,28 ,0.560785,10.56109,2.844578, 2.47947
sgpcmbeC1.c1,2003,0214:30:00,28 ,0.461002,7.673629,2.677484,2.247865
sgpcmbeC1.c1,2003,0215:30:00,28 ,0.532986,8.074766, 2.88924,2.043151
sgpcmbeC1.c1,2003,0216:30:00,28 ,0.361165,7.320256,2.964125,2.186444
sgpcmbeC1.c1,2003,0217:30:00,28 ,0.286898,15.98738,4.290731,4.137764
sgpcmbeC1.c1,2003,0218:30:00,28 ,0.224141,5.656731,2.301414,1.708103
sgpcmbeC1.c1,2003,0219:30:00,28 ,0.123165,5.149263,1.844678,1.525052
sgpcmbeC1.c1,2003,0220:30:00,28 ,0.151857, 6.81718,1.707702,1.442426
sgpcmbeC1.c1,2003,0221:30:00,28 ,0.076566,5.434998,2.015432,1.525859
sgpcmbeC1.c1,2003,0222:30:00,28 ,0.093748,8.082681,1.637228,1.608083
sgpcmbeC1.c1,2003,0223:30:00,28 ,0.086168,3.312866,1.260364,0.926548