datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1997,12 0:30:00,29 ,       0,0.757501,0.042953, 0.14782
sgpcmbeC1.c1,1997,12 1:30:00,30 ,       0,0.290479,0.018403,0.057604
sgpcmbeC1.c1,1997,12 2:30:00,28 ,       0,0.923195,0.054997,0.181698
sgpcmbeC1.c1,1997,12 3:30:00,29 ,       0,0.454547,0.047801,0.111316
sgpcmbeC1.c1,1997,12 4:30:00,29 ,       0,0.345091,0.034791,0.080534
sgpcmbeC1.c1,1997,12 5:30:00,29 ,       0,0.667336,0.054274,0.136561
sgpcmbeC1.c1,1997,12 6:30:00,29 ,       0,0.425005,   0.051,0.104447
sgpcmbeC1.c1,1997,12 7:30:00,29 ,0.202789,8.500681,1.989345,2.204127
sgpcmbeC1.c1,1997,12 8:30:00,29 ,0.026741,115.7817,39.24768,41.11472
sgpcmbeC1.c1,1997,12 9:30:00,30 ,0.069996,269.8848,104.5226,112.7075
sgpcmbeC1.c1,1997,1210:30:00,30 ,0.036934,393.1043,169.4481, 182.171
sgpcmbeC1.c1,1997,1211:30:00,29 ,0.001682, 469.778,216.5655,218.4431
sgpcmbeC1.c1,1997,1212:30:00,29 ,0.041389,490.9279,222.5093,229.9775
sgpcmbeC1.c1,1997,1213:30:00,29 ,0.095924,452.0636,200.2626,205.7116
sgpcmbeC1.c1,1997,1214:30:00,29 ,0.076637,366.7309,152.2603,163.4055
sgpcmbeC1.c1,1997,1215:30:00,29 ,0.026352,243.2132,100.6258,  103.39
sgpcmbeC1.c1,1997,1216:30:00,29 ,0.024345,92.86267,34.80837,37.38705
sgpcmbeC1.c1,1997,1217:30:00,29 ,0.179718,4.067147,1.263716,1.148132
sgpcmbeC1.c1,1997,1218:30:00,29 ,       0,0.442303,0.144504,0.122213
sgpcmbeC1.c1,1997,1219:30:00,31 ,       0,0.643605,0.093418,0.159928
sgpcmbeC1.c1,1997,1220:30:00,31 ,       0,0.708347,0.089912,0.167948
sgpcmbeC1.c1,1997,1221:30:00,29 ,       0,0.518226,0.052619,0.112618
sgpcmbeC1.c1,1997,1222:30:00,29 ,       0,0.679065, 0.06063,0.143878
sgpcmbeC1.c1,1997,1223:30:00,30 ,       0,0.356983,0.038694,0.084682