datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2000,07 0:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,07 1:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,07 2:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,07 3:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,07 4:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,07 5:30:00,31 ,       0,25.97664,10.44782,6.868695
sgpcmbeC1.c1,2000,07 6:30:00,31 ,8.462643,160.8843,98.14571,52.31306
sgpcmbeC1.c1,2000,07 7:30:00,31 ,10.74587,353.2159,232.2486,116.6941
sgpcmbeC1.c1,2000,07 8:30:00,31 ,2.636166,548.0037,400.6463,176.4411
sgpcmbeC1.c1,2000,07 9:30:00,31 ,11.02834,724.7838,567.7613,193.8895
sgpcmbeC1.c1,2000,0710:30:00,31 ,86.13831,870.6456,726.0077,194.6159
sgpcmbeC1.c1,2000,0711:30:00,31 ,318.9673,973.7375,835.8168,153.8478
sgpcmbeC1.c1,2000,0712:30:00,31 ,412.5659,994.5106,889.5607,133.7307
sgpcmbeC1.c1,2000,0713:30:00,31 , 357.599,966.3375,842.4741,147.9998
sgpcmbeC1.c1,2000,0714:30:00,31 ,174.9199,883.5449,753.9999,200.3951
sgpcmbeC1.c1,2000,0715:30:00,31 ,36.35279,765.5026,641.1944, 174.451
sgpcmbeC1.c1,2000,0716:30:00,31 ,74.28684,572.3391,493.4526,128.1779
sgpcmbeC1.c1,2000,0717:30:00,31 ,122.8767,385.6394,339.1152, 56.5752
sgpcmbeC1.c1,2000,0718:30:00,31 ,64.16784,225.2106,155.6258,35.19385
sgpcmbeC1.c1,2000,0719:30:00,31 ,1.337986, 39.6424,24.06118,10.36342
sgpcmbeC1.c1,2000,0720:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,0721:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,0722:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,0723:30:00,31 ,       0,       0,       0,       0