datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2000,02 0:30:00,27 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,02 1:30:00,26 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,02 2:30:00,25 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,02 3:30:00,26 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,02 4:30:00,26 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,02 5:30:00,27 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,02 6:30:00,29 ,       0,1.327583,0.045779,0.246526
sgpcmbeC1.c1,2000,02 7:30:00,29 ,       0,47.58962,22.27899,13.42459
sgpcmbeC1.c1,2000,02 8:30:00,29 ,6.229281, 83.7746,48.90068,21.20068
sgpcmbeC1.c1,2000,02 9:30:00,29 ,12.07845,118.4566,53.10984,21.67681
sgpcmbeC1.c1,2000,0210:30:00,29 ,10.65529,158.7121,64.59718,37.69692
sgpcmbeC1.c1,2000,0211:30:00,29 ,15.52195,176.2923,57.49455,47.89445
sgpcmbeC1.c1,2000,0212:30:00,29 ,3.444802,254.5799,55.77278,58.58421
sgpcmbeC1.c1,2000,0213:30:00,29 ,14.83345,197.5365,60.21111,50.65125
sgpcmbeC1.c1,2000,0214:30:00,29 ,16.24382, 192.751,61.74178,44.98825
sgpcmbeC1.c1,2000,0215:30:00,29 ,12.60086,129.6429,63.25862,34.15896
sgpcmbeC1.c1,2000,0216:30:00,29 ,8.918708,117.0464,56.91344,22.57977
sgpcmbeC1.c1,2000,0217:30:00,29 , 5.00324,62.84594,38.71081,16.70846
sgpcmbeC1.c1,2000,0218:30:00,29 ,       0,12.79448,3.677837,3.877212
sgpcmbeC1.c1,2000,0219:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,0220:30:00,28 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,0221:30:00,28 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,0222:30:00,28 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,0223:30:00,26 ,       0,       0,       0,       0