datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2002,01 0:30:00,29 ,       0,0.266434,0.022821, 0.05855
sgpcmbeC1.c1,2002,01 1:30:00,29 ,       0,0.197649,0.033733,0.064411
sgpcmbeC1.c1,2002,01 2:30:00,29 ,       0,0.184207,0.033465,0.060657
sgpcmbeC1.c1,2002,01 3:30:00,29 ,       0,0.233345,0.045299,0.072618
sgpcmbeC1.c1,2002,01 4:30:00,29 ,       0,0.314622,0.042322,0.082075
sgpcmbeC1.c1,2002,01 5:30:00,29 ,       0,0.210526,0.012667, 0.04172
sgpcmbeC1.c1,2002,01 6:30:00,29 ,       0,0.064185,0.002695,0.012107
sgpcmbeC1.c1,2002,01 7:30:00,29 ,       0,4.349638,1.536771,1.203863
sgpcmbeC1.c1,2002,01 8:30:00,29 ,1.254137,16.59636,9.192562,4.051771
sgpcmbeC1.c1,2002,01 9:30:00,29 ,1.301782,18.15562,9.232132,4.207468
sgpcmbeC1.c1,2002,0110:30:00,29 ,1.798444,26.50809,11.52164,7.195098
sgpcmbeC1.c1,2002,0111:30:00,28 ,1.574319,39.37942,13.35427,10.57561
sgpcmbeC1.c1,2002,0112:30:00,29 ,0.420829,32.26416,11.82443,10.93166
sgpcmbeC1.c1,2002,0113:30:00,29 ,2.314477,32.23299, 10.8713,10.25382
sgpcmbeC1.c1,2002,0114:30:00,29 ,1.726669,27.05196, 11.2052,8.345694
sgpcmbeC1.c1,2002,0115:30:00,29 ,0.682573,20.19112,10.17009,4.510568
sgpcmbeC1.c1,2002,0116:30:00,29 ,0.892769,14.40552,9.264053,3.504081
sgpcmbeC1.c1,2002,0117:30:00,29 ,0.166956,9.480328,4.696651,3.036143
sgpcmbeC1.c1,2002,0118:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2002,0119:30:00,29 ,       0, 0.11993,0.004136, 0.02227
sgpcmbeC1.c1,2002,0120:30:00,29 ,       0, 0.15699,0.012878,0.040105
sgpcmbeC1.c1,2002,0121:30:00,29 ,       0,0.335272,0.028469,0.067754
sgpcmbeC1.c1,2002,0122:30:00,29 ,       0,0.167986,0.018628,0.039483
sgpcmbeC1.c1,2002,0123:30:00,29 ,       0,0.147366,0.010181,0.031175