datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1998,12 0:30:00,23 ,       0,  1.1394,0.175342,0.313429
sgpcmbeC1.c1,1998,12 1:30:00,24 ,       0,1.035335,0.127782,0.289935
sgpcmbeC1.c1,1998,12 2:30:00,25 ,       0,1.183582,0.083857,0.245807
sgpcmbeC1.c1,1998,12 3:30:00,25 ,       0,0.719141,0.063233,0.161623
sgpcmbeC1.c1,1998,12 4:30:00,28 ,       0,0.551885,0.033849,0.107215
sgpcmbeC1.c1,1998,12 5:30:00,28 ,       0, 0.80533,0.081662,0.206265
sgpcmbeC1.c1,1998,12 6:30:00,29 ,       0,1.369727,0.117672,0.285804
sgpcmbeC1.c1,1998,12 7:30:00,29 ,0.880966,19.00975,6.955233,4.805002
sgpcmbeC1.c1,1998,12 8:30:00,29 ,7.897023,151.4537,84.03626,46.44418
sgpcmbeC1.c1,1998,12 9:30:00,29 ,33.60292,312.3127,201.1256,95.43969
sgpcmbeC1.c1,1998,1210:30:00,28 ,39.52147, 438.727,314.9016,137.6496
sgpcmbeC1.c1,1998,1211:30:00,29 ,51.68022,515.9371,362.3272,164.8903
sgpcmbeC1.c1,1998,1212:30:00,28 ,37.15113,548.2377,412.6696,170.1858
sgpcmbeC1.c1,1998,1213:30:00,27 ,31.81816,514.1853, 375.348,167.6762
sgpcmbeC1.c1,1998,1214:30:00,27 ,26.17687,422.6232,297.4782,138.3752
sgpcmbeC1.c1,1998,1215:30:00,27 ,11.92746,286.1304,196.0264,86.07232
sgpcmbeC1.c1,1998,1216:30:00,28 ,6.428616,176.0617,77.40627,36.76488
sgpcmbeC1.c1,1998,1217:30:00,27 ,0.659551,7.314492,3.626841,1.825051
sgpcmbeC1.c1,1998,1218:30:00,27 ,       0,1.477446, 0.24982,0.348328
sgpcmbeC1.c1,1998,1219:30:00,26 ,       0,1.130215,0.156483,0.260225
sgpcmbeC1.c1,1998,1220:30:00,25 ,       0,2.113525,0.168809,0.438443
sgpcmbeC1.c1,1998,1221:30:00,26 ,       0,1.345663,0.163074,0.318221
sgpcmbeC1.c1,1998,1222:30:00,26 ,       0,1.617953,0.110046,0.319255
sgpcmbeC1.c1,1998,1223:30:00,25 ,       0,1.715177,0.151641,0.414658