datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1998,11 0:30:00,28 ,       0,       0,       0,       0
sgpcmbeC1.c1,1998,11 1:30:00,27 ,       0,0.215416,0.012428,0.043572
sgpcmbeC1.c1,1998,11 2:30:00,28 ,       0,0.041816,0.001493,0.007902
sgpcmbeC1.c1,1998,11 3:30:00,29 ,       0,0.034565,0.001192,0.006419
sgpcmbeC1.c1,1998,11 4:30:00,29 ,       0,0.003216,0.000111,0.000597
sgpcmbeC1.c1,1998,11 5:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,1998,11 6:30:00,29 ,       0,0.151735,0.011594,0.037836
sgpcmbeC1.c1,1998,11 7:30:00,28 ,       0,12.15589,5.248352,3.523392
sgpcmbeC1.c1,1998,11 8:30:00,29 , 0.43227,17.27821,8.332148,4.485654
sgpcmbeC1.c1,1998,11 9:30:00,29 ,1.454028, 21.7196,7.531163, 4.24025
sgpcmbeC1.c1,1998,1110:30:00,29 ,1.001223,17.24373,6.334343,3.823976
sgpcmbeC1.c1,1998,1111:30:00,28 ,1.330255,10.80805, 4.78446,2.850433
sgpcmbeC1.c1,1998,1112:30:00,29 ,0.649326,26.16065, 5.78763,7.345027
sgpcmbeC1.c1,1998,1113:30:00,28 ,1.048839,26.57292, 6.58144,6.078871
sgpcmbeC1.c1,1998,1114:30:00,29 ,1.454483,32.37317, 9.75349,7.410545
sgpcmbeC1.c1,1998,1115:30:00,29 ,1.323488,22.17752,9.033421,5.529345
sgpcmbeC1.c1,1998,1116:30:00,28 ,0.552106,13.34174,8.030178,4.876722
sgpcmbeC1.c1,1998,1117:30:00,30 ,       0,3.548679,0.966617, 1.00635
sgpcmbeC1.c1,1998,1118:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,1998,1119:30:00,29 ,       0,0.083037,0.003684,0.015888
sgpcmbeC1.c1,1998,1120:30:00,29 ,       0,0.017588,0.000606,0.003266
sgpcmbeC1.c1,1998,1121:30:00,29 ,       0,0.000804,0.000028,0.000149
sgpcmbeC1.c1,1998,1122:30:00,29 ,       0,0.004019,0.000139,0.000746
sgpcmbeC1.c1,1998,1123:30:00,28 ,       0, 0.05446,0.001945,0.010292