datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1997,11 0:30:00,2 ,0.019915,0.041793,0.030854, 0.01547
sgpcmbeC1.c1,1997,11 1:30:00,2 , 0.01618,0.017594,0.016887,   0.001
sgpcmbeC1.c1,1997,11 2:30:00,2 ,0.023493,0.023855,0.023674,0.000256
sgpcmbeC1.c1,1997,11 3:30:00,2 ,0.017569, 0.02119, 0.01938, 0.00256
sgpcmbeC1.c1,1997,11 4:30:00,2 , 0.01499,0.022378,0.018684,0.005224
sgpcmbeC1.c1,1997,11 5:30:00,2 ,0.011818,0.018198,0.015008,0.004511
sgpcmbeC1.c1,1997,11 6:30:00,2 ,0.015682,0.019633,0.017657,0.002794
sgpcmbeC1.c1,1997,11 7:30:00,2 ,0.016209, 0.02039,  0.0183,0.002957
sgpcmbeC1.c1,1997,11 8:30:00,2 ,0.014553,0.024038,0.019295,0.006707
sgpcmbeC1.c1,1997,11 9:30:00,2 ,0.020612,0.029003,0.024807,0.005933
sgpcmbeC1.c1,1997,1110:30:00,2 ,0.026399,0.081015,0.053707,0.038619
sgpcmbeC1.c1,1997,1111:30:00,2 ,0.017193,0.030908,0.024051,0.009698
sgpcmbeC1.c1,1997,1112:30:00,2 ,0.019431,0.046517,0.032974,0.019153
sgpcmbeC1.c1,1997,1113:30:00,2 ,0.030904,0.038638,0.034771,0.005469
sgpcmbeC1.c1,1997,1114:30:00,2 ,0.032326,0.035279,0.033802,0.002088
sgpcmbeC1.c1,1997,1115:30:00,2 ,0.022374,0.026204,0.024289,0.002708
sgpcmbeC1.c1,1997,1116:30:00,2 ,0.041495,0.076964, 0.05923, 0.02508
sgpcmbeC1.c1,1997,1117:30:00,2 ,0.020089,0.059703,0.039896,0.028012
sgpcmbeC1.c1,1997,1118:30:00,1 ,0.015041,0.015041,0.015041,       .
sgpcmbeC1.c1,1997,1119:30:00,1 ,0.038424,0.038424,0.038424,       .
sgpcmbeC1.c1,1997,1120:30:00,1 ,0.033141,0.033141,0.033141,       .
sgpcmbeC1.c1,1997,1121:30:00,1 , 0.01951, 0.01951, 0.01951,       .
sgpcmbeC1.c1,1997,1122:30:00,2 ,0.017547,0.018544,0.018046,0.000705
sgpcmbeC1.c1,1997,1123:30:00,2 ,0.012622,0.013523,0.013072,0.000638