datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1999,06 0:30:00,28 ,0.019213,254.5342,47.26223,69.22396
sgpcmbeC1.c1,1999,06 1:30:00,26 ,       0,377.5318,57.80719,96.38514
sgpcmbeC1.c1,1999,06 2:30:00,26 ,       0,249.7635,42.55741,67.77648
sgpcmbeC1.c1,1999,06 3:30:00,27 ,       0,394.6418,77.33981,112.7418
sgpcmbeC1.c1,1999,06 4:30:00,26 ,       0,399.5686,66.03139,102.7838
sgpcmbeC1.c1,1999,06 5:30:00,27 ,       0,685.0713,70.49422,145.4196
sgpcmbeC1.c1,1999,06 6:30:00,28 ,       0,506.9344,89.87659,156.0557
sgpcmbeC1.c1,1999,06 7:30:00,28 ,       0,507.9081,61.04526,110.2454
sgpcmbeC1.c1,1999,06 8:30:00,28 ,       0,441.9054,49.28485, 94.1123
sgpcmbeC1.c1,1999,06 9:30:00,29 ,       0,  661.42,57.51164,134.3956
sgpcmbeC1.c1,1999,0610:30:00,28 ,       0,460.6616,58.98038,127.2307
sgpcmbeC1.c1,1999,0611:30:00,28 ,       0,706.4376,70.62044,169.2232
sgpcmbeC1.c1,1999,0612:30:00,28 ,       0,840.7968,83.85131,180.1338
sgpcmbeC1.c1,1999,0613:30:00,28 ,       0,723.3583,84.15706,177.0292
sgpcmbeC1.c1,1999,0614:30:00,29 ,       0,497.9074,77.76168, 128.869
sgpcmbeC1.c1,1999,0615:30:00,28 ,       0,649.3779,91.09273,169.7743
sgpcmbeC1.c1,1999,0616:30:00,27 ,       0,307.0067,40.49018,74.21151
sgpcmbeC1.c1,1999,0617:30:00,28 ,       0,255.4333,49.37613,69.71518
sgpcmbeC1.c1,1999,0618:30:00,29 ,       0,426.2169,58.09343,98.78038
sgpcmbeC1.c1,1999,0619:30:00,29 ,       0,505.3195,57.58739,109.1601
sgpcmbeC1.c1,1999,0620:30:00,28 ,       0, 313.375, 45.2417,86.73633
sgpcmbeC1.c1,1999,0621:30:00,28 ,       0,257.4022,33.91907,57.28787
sgpcmbeC1.c1,1999,0622:30:00,28 ,0.025958,218.7736, 28.8306,46.36624
sgpcmbeC1.c1,1999,0623:30:00,28 ,       0,166.7626,40.00205,54.37781