datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2001,02 0:30:00,22 ,0.323682,3.211514,1.207787,0.708075
sgpcmbeC1.c1,2001,02 1:30:00,19 ,0.308772,2.266147,1.152707,0.608291
sgpcmbeC1.c1,2001,02 2:30:00,20 ,0.297814,2.245679,1.201492,0.631383
sgpcmbeC1.c1,2001,02 3:30:00,19 ,0.285345,2.823457,1.211374,0.701956
sgpcmbeC1.c1,2001,02 4:30:00,19 ,0.337923,3.072387,1.225311,0.735004
sgpcmbeC1.c1,2001,02 5:30:00,19 ,0.466997,2.557914,1.220018,0.677683
sgpcmbeC1.c1,2001,02 6:30:00,19 ,0.536712, 4.69947,1.345801,1.035441
sgpcmbeC1.c1,2001,02 7:30:00,19 ,0.590056,3.913325,1.305744,0.919591
sgpcmbeC1.c1,2001,02 8:30:00,18 ,0.561519,3.331358, 1.17239,0.719722
sgpcmbeC1.c1,2001,02 9:30:00,21 ,0.574963,3.780506,1.213517,0.746151
sgpcmbeC1.c1,2001,0210:30:00,21 ,0.587111,3.227634,1.233197,0.661997
sgpcmbeC1.c1,2001,0211:30:00,22 ,0.590508,3.633342,1.287723,0.719688
sgpcmbeC1.c1,2001,0212:30:00,22 ,0.603167,3.724611,1.290442,0.731212
sgpcmbeC1.c1,2001,0213:30:00,21 ,0.591839,4.299728,1.322479,0.839654
sgpcmbeC1.c1,2001,0214:30:00,22 ,0.579901,3.085959,1.277692,0.623665
sgpcmbeC1.c1,2001,0215:30:00,23 ,  0.5485,4.056103,1.382847,0.835103
sgpcmbeC1.c1,2001,0216:30:00,24 ,0.538097,3.661866,1.359186,0.779761
sgpcmbeC1.c1,2001,0217:30:00,24 ,0.517616,3.268864,1.347358,0.727721
sgpcmbeC1.c1,2001,0218:30:00,21 , 0.44967,2.390604, 1.19388,0.522572
sgpcmbeC1.c1,2001,0219:30:00,21 ,0.414405,1.943929,1.168607,0.494169
sgpcmbeC1.c1,2001,0220:30:00,21 ,0.403493,1.996435,1.175677,0.511573
sgpcmbeC1.c1,2001,0221:30:00,21 ,0.371187,2.095631,1.173875,0.542522
sgpcmbeC1.c1,2001,0222:30:00,22 ,0.365373,3.285898,1.262022,0.712961
sgpcmbeC1.c1,2001,0223:30:00,21 ,0.344298,2.365092,1.183769,0.594643