datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1999,12 0:30:00,28 ,  0.0096,0.140998,0.024179,0.024721
sgpcmbeC1.c1,1999,12 1:30:00,26 ,0.010363,0.078865,0.022984,0.016517
sgpcmbeC1.c1,1999,12 2:30:00,26 ,0.009612,0.064825,0.025107,0.015959
sgpcmbeC1.c1,1999,12 3:30:00,27 ,0.011484,0.080262,0.026192,  0.0198
sgpcmbeC1.c1,1999,12 4:30:00,26 ,0.011653,0.075276,0.022855,0.014461
sgpcmbeC1.c1,1999,12 5:30:00,27 ,0.010174,0.175259,0.024952,0.031841
sgpcmbeC1.c1,1999,12 6:30:00,27 ,0.011302,0.173418,0.026907,  0.0326
sgpcmbeC1.c1,1999,12 7:30:00,28 ,0.011106,0.191577,0.025585, 0.03317
sgpcmbeC1.c1,1999,12 8:30:00,27 , 0.01053,0.227813,0.031603,0.042925
sgpcmbeC1.c1,1999,12 9:30:00,26 ,0.008799,0.066235,0.026094,0.017895
sgpcmbeC1.c1,1999,1210:30:00,27 ,0.010604,0.050974,0.020305,0.011085
sgpcmbeC1.c1,1999,1211:30:00,26 ,0.012343,0.367112,0.041448,0.070997
sgpcmbeC1.c1,1999,1212:30:00,28 ,0.009694,0.170302,0.026052,0.029928
sgpcmbeC1.c1,1999,1213:30:00,28 ,0.010414, 0.29099,  0.0308,0.052022
sgpcmbeC1.c1,1999,1214:30:00,28 ,0.009531,0.151241, 0.02978,0.032834
sgpcmbeC1.c1,1999,1215:30:00,27 ,0.011886,0.078228,0.024106,0.017237
sgpcmbeC1.c1,1999,1216:30:00,28 ,0.010455, 0.40409,0.036417,0.073414
sgpcmbeC1.c1,1999,1217:30:00,28 ,0.009723, 0.57307,0.051824,0.125855
sgpcmbeC1.c1,1999,1218:30:00,28 ,0.009271, 0.32025,0.040419,0.064197
sgpcmbeC1.c1,1999,1219:30:00,28 ,0.012084,0.219273, 0.03629, 0.04716
sgpcmbeC1.c1,1999,1220:30:00,28 ,0.011146, 0.40421,0.039389,0.073868
sgpcmbeC1.c1,1999,1221:30:00,28 ,0.010553,0.370664,0.037097,0.070099
sgpcmbeC1.c1,1999,1222:30:00,29 ,0.011075, 0.88695,0.058362,0.162826
sgpcmbeC1.c1,1999,1223:30:00,28 ,0.010291,0.343469, 0.03634,0.065123