datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2001,06 0:30:00,29 ,       0,0.366951,0.028918,0.090489
sgpcmbeC1.c1,2001,06 1:30:00,29 ,       0,0.217178,0.010483,0.042895
sgpcmbeC1.c1,2001,06 2:30:00,28 ,       0,0.005664,0.000202, 0.00107
sgpcmbeC1.c1,2001,06 3:30:00,29 ,       0,0.555682,0.037019,0.138518
sgpcmbeC1.c1,2001,06 4:30:00,29 ,       0,0.352939,0.012756,0.065502
sgpcmbeC1.c1,2001,06 5:30:00,30 ,0.301639,10.80478,5.987461, 3.04045
sgpcmbeC1.c1,2001,06 6:30:00,30 ,1.183913,31.25435,11.96296,6.068865
sgpcmbeC1.c1,2001,06 7:30:00,30 ,3.912682,34.85941,13.81341,6.542308
sgpcmbeC1.c1,2001,06 8:30:00,30 ,3.498836,37.98367,14.60659,8.694498
sgpcmbeC1.c1,2001,06 9:30:00,30 ,5.044786,49.19773,16.40468,14.00372
sgpcmbeC1.c1,2001,0610:30:00,30 ,1.339937,58.63763,21.17676,19.26739
sgpcmbeC1.c1,2001,0611:30:00,30 ,1.066929,55.68945,23.19118,20.16364
sgpcmbeC1.c1,2001,0612:30:00,30 ,0.744061,72.71528,23.74062,22.39505
sgpcmbeC1.c1,2001,0613:30:00,30 ,1.274519,71.83646,22.15654,21.49715
sgpcmbeC1.c1,2001,0614:30:00,30 ,2.380767,58.28271, 21.1126,18.86161
sgpcmbeC1.c1,2001,0615:30:00,30 , 5.16842,54.57757,17.59223,15.38396
sgpcmbeC1.c1,2001,0616:30:00,30 , 7.20256,36.34539,15.04437,9.291764
sgpcmbeC1.c1,2001,0617:30:00,30 ,4.158629,35.39602,16.20113,7.457819
sgpcmbeC1.c1,2001,0618:30:00,30 ,4.332885,26.38497,13.63457,5.492214
sgpcmbeC1.c1,2001,0619:30:00,30 ,       0,11.12001,6.443567,3.676015
sgpcmbeC1.c1,2001,0620:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,0621:30:00,30 ,       0,1.611164,0.053705,0.294157
sgpcmbeC1.c1,2001,0622:30:00,29 ,       0,0.474739, 0.01637,0.088157
sgpcmbeC1.c1,2001,0623:30:00,29 ,       0,0.097722, 0.00337,0.018146