datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2006,02 0:30:00,19 ,0.413535,1.699063,0.836072,0.390714
sgpcmbeC1.c1,2006,02 1:30:00,19 ,0.382946,1.758403,0.846716, 0.38297
sgpcmbeC1.c1,2006,02 2:30:00,17 ,0.343127,1.833787, 0.82751,0.398392
sgpcmbeC1.c1,2006,02 3:30:00,17 ,0.373195,1.715526,0.831764,0.377031
sgpcmbeC1.c1,2006,02 4:30:00,17 ,0.414214, 1.53147, 0.82859,0.336927
sgpcmbeC1.c1,2006,02 5:30:00,17 ,0.351642,1.400414, 0.80121,0.302117
sgpcmbeC1.c1,2006,02 6:30:00,17 ,0.374653,1.311042,0.787514,0.273664
sgpcmbeC1.c1,2006,02 7:30:00,17 ,0.356926,1.333748,0.777476,0.276298
sgpcmbeC1.c1,2006,02 8:30:00,18 ,0.378815,1.310603, 0.79458,0.288599
sgpcmbeC1.c1,2006,02 9:30:00,20 ,0.435546,1.300052,0.805732,0.257957
sgpcmbeC1.c1,2006,0210:30:00,20 ,0.403529, 1.34254,0.778457,0.237035
sgpcmbeC1.c1,2006,0211:30:00,20 ,0.379534,1.311465,0.761656,0.228521
sgpcmbeC1.c1,2006,0212:30:00,20 ,0.386335, 1.37123,0.766626,0.235123
sgpcmbeC1.c1,2006,0213:30:00,20 ,0.382613,1.294304,0.768243,0.230847
sgpcmbeC1.c1,2006,0214:30:00,19 , 0.39538,1.251185,0.746712,0.239731
sgpcmbeC1.c1,2006,0215:30:00,19 ,0.412493,1.313955,0.751276,0.256745
sgpcmbeC1.c1,2006,0216:30:00,19 ,0.431887,1.232718,0.771576,0.273667
sgpcmbeC1.c1,2006,0217:30:00,19 ,0.421344, 1.30725,0.807087,0.298862
sgpcmbeC1.c1,2006,0218:30:00,18 ,0.401832,1.239735,0.792111, 0.27934
sgpcmbeC1.c1,2006,0219:30:00,18 ,0.386177,1.253386,0.777071,0.260835
sgpcmbeC1.c1,2006,0220:30:00,18 ,0.398278, 1.18647,0.768175, 0.24219
sgpcmbeC1.c1,2006,0221:30:00,18 ,0.387158,1.260638,0.742006,0.239275
sgpcmbeC1.c1,2006,0222:30:00,18 ,0.388649,1.377566, 0.74607, 0.27377
sgpcmbeC1.c1,2006,0223:30:00,18 ,0.390267,  1.5524,  0.7714,0.322965