datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2004,08 0:30:00,29 ,       0,345.5973,32.65582,76.80061
sgpcmbeC1.c1,2004,08 1:30:00,29 ,       0,403.1027,42.06047,92.05308
sgpcmbeC1.c1,2004,08 2:30:00,29 ,       0,1590.916,79.43367,293.4712
sgpcmbeC1.c1,2004,08 3:30:00,27 ,       0,332.5927,32.78044,73.90273
sgpcmbeC1.c1,2004,08 4:30:00,28 ,       0,507.8741,65.40343,132.9074
sgpcmbeC1.c1,2004,08 5:30:00,27 ,       0,192.5659,24.39483,46.15476
sgpcmbeC1.c1,2004,08 6:30:00,28 ,       0,450.1974,43.03394,89.17967
sgpcmbeC1.c1,2004,08 7:30:00,30 ,       0,334.8057,36.18864,72.06441
sgpcmbeC1.c1,2004,08 8:30:00,30 ,       0,354.0085,41.48617, 81.9878
sgpcmbeC1.c1,2004,08 9:30:00,30 ,       0,   228.1,33.33466,63.10815
sgpcmbeC1.c1,2004,0810:30:00,30 ,       0,141.2268,23.97664,39.33159
sgpcmbeC1.c1,2004,0811:30:00,29 ,       0,151.8616,19.06019,38.59062
sgpcmbeC1.c1,2004,0812:30:00,30 ,       0,327.3591,25.06637,64.02889
sgpcmbeC1.c1,2004,0813:30:00,31 ,       0,1000.479,43.60629,178.4948
sgpcmbeC1.c1,2004,0814:30:00,30 ,       0,679.7468, 31.2814,123.0618
sgpcmbeC1.c1,2004,0815:30:00,30 ,       0,341.4831,19.70986,61.88664
sgpcmbeC1.c1,2004,0816:30:00,30 ,       0,137.4251,11.89839,25.79427
sgpcmbeC1.c1,2004,0817:30:00,30 ,       0,43.04183,8.845382,14.03274
sgpcmbeC1.c1,2004,0818:30:00,29 ,       0,70.76633,7.933742,14.43122
sgpcmbeC1.c1,2004,0819:30:00,29 ,       0,168.8184,12.96131, 31.7485
sgpcmbeC1.c1,2004,0820:30:00,28 ,       0,107.6017,8.667779,20.51221
sgpcmbeC1.c1,2004,0821:30:00,29 ,       0, 913.122,39.07647,168.7726
sgpcmbeC1.c1,2004,0822:30:00,29 ,       0,705.9958,39.63293,131.3171
sgpcmbeC1.c1,2004,0823:30:00,29 ,       0,568.4409,38.87601,109.0968