datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2001,12 0:30:00,20 ,0.014427,104.7864,6.879282,23.21185
sgpcmbeC1.c1,2001,12 1:30:00,19 ,0.035322, 323.118,22.04546,74.84503
sgpcmbeC1.c1,2001,12 2:30:00,19 ,       0,262.1161,22.34667,65.68886
sgpcmbeC1.c1,2001,12 3:30:00,19 ,       0,210.0215,17.80795,53.74306
sgpcmbeC1.c1,2001,12 4:30:00,18 ,       0,78.42115,5.512899,18.27792
sgpcmbeC1.c1,2001,12 5:30:00,18 ,       0,206.7494,13.42889,48.38858
sgpcmbeC1.c1,2001,12 6:30:00,18 ,       0,303.3507,19.81336,71.14777
sgpcmbeC1.c1,2001,12 7:30:00,18 ,       0,155.1693,12.43165,38.07237
sgpcmbeC1.c1,2001,12 8:30:00,19 ,       0,150.5024,11.69954,35.77149
sgpcmbeC1.c1,2001,12 9:30:00,23 ,       0,47.93367,3.663913, 10.0497
sgpcmbeC1.c1,2001,1210:30:00,23 ,       0,44.85656, 3.55963,9.422836
sgpcmbeC1.c1,2001,1211:30:00,24 ,       0,29.87254,3.523531,6.684998
sgpcmbeC1.c1,2001,1212:30:00,24 ,       0,98.16254,8.187647,22.31378
sgpcmbeC1.c1,2001,1213:30:00,24 ,       0,49.99291,5.700503,12.24421
sgpcmbeC1.c1,2001,1214:30:00,24 ,       0,360.6032,30.70639,90.61874
sgpcmbeC1.c1,2001,1215:30:00,25 ,       0,367.5753,43.17643,108.3058
sgpcmbeC1.c1,2001,1216:30:00,24 ,       0,549.6057,66.78681,166.8664
sgpcmbeC1.c1,2001,1217:30:00,25 , 0.47665,504.1791,57.84703,141.7872
sgpcmbeC1.c1,2001,1218:30:00,25 ,0.057389,820.4874,48.01129,165.2343
sgpcmbeC1.c1,2001,1219:30:00,25 ,       0,799.7065,47.13734,161.3049
sgpcmbeC1.c1,2001,1220:30:00,25 ,       0,264.0738,27.13572,67.32139
sgpcmbeC1.c1,2001,1221:30:00,25 ,0.017089,274.1976,27.87154,68.49465
sgpcmbeC1.c1,2001,1222:30:00,24 ,       0,649.9213,46.05578,138.9775
sgpcmbeC1.c1,2001,1223:30:00,24 ,       0,559.4435,39.78213,119.8388